diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/onboarding-rest-war/src/main/webapp/WEB-INF/beans-services.xml b/openecomp-be/api/openecomp-sdc-rest-webapp/onboarding-rest-war/src/main/webapp/WEB-INF/beans-services.xml
index 6b812cc..be8d7c5 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/onboarding-rest-war/src/main/webapp/WEB-INF/beans-services.xml
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/onboarding-rest-war/src/main/webapp/WEB-INF/beans-services.xml
@@ -84,6 +84,7 @@
             <ref bean="jsonProvider"/>
             <bean class="org.openecomp.sdc.action.errors.ActionExceptionMapper"/>
             <bean class="org.openecomp.sdcrests.errors.DefaultExceptionMapper"/>
+            <bean class="org.openecomp.sdcrests.errors.ZusammenExceptionMapper"/>
             <bean class="org.openecomp.sdc.logging.servlet.jaxrs.LoggingRequestFilter">
                 <property name="requestIdHeaders" value="X-ECOMP-RequestID,X-ONAP-RequestID"/>
                 <property name="partnerNameHeaders" value="USER_ID"/>
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/DefaultExceptionMapper.java b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/DefaultExceptionMapper.java
index 098a89d..0f17bae 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/DefaultExceptionMapper.java
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/DefaultExceptionMapper.java
@@ -16,6 +16,18 @@
 
 package org.openecomp.sdcrests.errors;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import javax.validation.ConstraintViolation;
+import javax.validation.ConstraintViolationException;
+import javax.validation.Path;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+
 import org.codehaus.jackson.map.JsonMappingException;
 import org.hibernate.validator.internal.engine.path.PathImpl;
 import org.openecomp.core.utilities.CommonMethods;
@@ -31,131 +43,103 @@
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
 
-import javax.validation.ConstraintViolation;
-import javax.validation.ConstraintViolationException;
-import javax.validation.Path;
-import javax.ws.rs.core.MediaType;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.ext.ExceptionMapper;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
 public class DefaultExceptionMapper implements ExceptionMapper<Exception> {
-  private static final String ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE =
-      "errorCodesToResponseStatusMapping.json";
-  @SuppressWarnings("unchecked")
-  private static final Map<String, String> ERROR_CODE_TO_RESPONSE_STATUS =
-          FileUtils.readViaInputStream(ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE,
-              stream -> JsonUtil.json2Object(stream, Map.class));
 
-  private static final Logger LOGGER = LoggerFactory.getLogger(DefaultExceptionMapper
-      .class);
+    private static final String ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE = "errorCodesToResponseStatusMapping.json";
+    @SuppressWarnings("unchecked")
+    private static final Map<String, String> ERROR_CODE_TO_RESPONSE_STATUS = FileUtils.readViaInputStream(
+            ERROR_CODES_TO_RESPONSE_STATUS_MAPPING_FILE, stream -> JsonUtil.json2Object(stream, Map.class));
 
-  @Override
-  public Response toResponse(Exception exception) {
-    Response response;
-    if (exception instanceof CoreException) {
-      response = transform(CoreException.class.cast(exception));
-    } else if (exception instanceof ConstraintViolationException) {
-      response = transform(ConstraintViolationException.class.cast(exception));
+    private static final Logger LOGGER = LoggerFactory.getLogger(DefaultExceptionMapper.class);
 
-    } else if (exception instanceof JsonMappingException) {
-      response = transform(JsonMappingException.class.cast(exception));
+    @Override
+    public Response toResponse(Exception exception) {
+        Response response;
+        if (exception instanceof CoreException) {
+            response = transform(CoreException.class.cast(exception));
+        } else if (exception instanceof ConstraintViolationException) {
+            response = transform(ConstraintViolationException.class.cast(exception));
 
-    } else {
-      response = transform(exception);
+        } else if (exception instanceof JsonMappingException) {
+            response = transform(JsonMappingException.class.cast(exception));
+
+        } else {
+            response = transform(exception);
+        }
+
+        List<Object> contentTypes = new ArrayList<>();
+        contentTypes.add(MediaType.APPLICATION_JSON);
+        response.getMetadata().put("Content-Type", contentTypes);
+        return response;
     }
 
-    List<Object> contentTypes = new ArrayList<>();
-    contentTypes.add(MediaType.APPLICATION_JSON);
-    response.getMetadata().put("Content-Type", contentTypes);
-    return response;
-  }
+    private Response transform(CoreException coreException) {
+        Response response;
+        ErrorCode code = coreException.code();
+        LOGGER.error(code.message(), coreException);
 
-  private Response transform(CoreException coreException) {
-    Response response;
-    ErrorCode code = coreException.code();
-    LOGGER.error(code.message(), coreException);
+        if (coreException.code().category().equals(ErrorCategory.APPLICATION)) {
+            if (Response.Status.NOT_FOUND.name().equals(ERROR_CODE_TO_RESPONSE_STATUS.get(code.id()))) {
+                response = Response.status(Response.Status.NOT_FOUND).entity(toEntity(Response.Status.NOT_FOUND, code))
+                                   .build();
+            } else if (Response.Status.BAD_REQUEST.name().equals(ERROR_CODE_TO_RESPONSE_STATUS.get(code.id()))) {
+                response =
+                        Response.status(Response.Status.BAD_REQUEST).entity(toEntity(Response.Status.BAD_REQUEST, code))
+                                .build();
+            } else {
+                response = Response.status(Response.Status.EXPECTATION_FAILED)
+                                   .entity(toEntity(Response.Status.EXPECTATION_FAILED, code)).build();
+            }
+        } else {
+            response = Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+                               .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, code)).build();
+        }
 
-    if (coreException.code().category().equals(ErrorCategory.APPLICATION)) {
-      if (Response.Status.NOT_FOUND.name().equals(ERROR_CODE_TO_RESPONSE_STATUS.get(code.id()))) {
-        response = Response
-            .status(Response.Status.NOT_FOUND)
-            .entity(toEntity(Response.Status.NOT_FOUND, code))
-            .build();
-      } else if (Response.Status.BAD_REQUEST.name()
-          .equals(ERROR_CODE_TO_RESPONSE_STATUS.get(code.id()))) {
-        response = Response
-            .status(Response.Status.BAD_REQUEST)
-            .entity(toEntity(Response.Status.BAD_REQUEST, code))
-            .build();
-      } else {
-        response = Response
-            .status(Response.Status.EXPECTATION_FAILED)
-            .entity(toEntity(Response.Status.EXPECTATION_FAILED, code))
-            .build();
-      }
-    } else {
-      response = Response
-          .status(Response.Status.INTERNAL_SERVER_ERROR)
-          .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, code))
-          .build();
+
+        return response;
     }
 
+    private Response transform(ConstraintViolationException validationException) {
+        Set<ConstraintViolation<?>> constraintViolationSet = validationException.getConstraintViolations();
+        String message;
 
-    return response;
-  }
+        String fieldName = null;
+        if (!CommonMethods.isEmpty(constraintViolationSet)) {
+            // getting the first violation message for the output response.
+            ConstraintViolation<?> constraintViolation = constraintViolationSet.iterator().next();
+            message = constraintViolation.getMessage();
+            fieldName = getFieldName(constraintViolation.getPropertyPath());
 
-  private Response transform(ConstraintViolationException validationException) {
-    Set<ConstraintViolation<?>> constraintViolationSet =
-        validationException.getConstraintViolations();
-    String message;
+        } else {
+            message = validationException.getMessage();
+        }
 
-    String fieldName = null;
-    if (!CommonMethods.isEmpty(constraintViolationSet)) {
-      // getting the first violation message for the output response.
-      ConstraintViolation<?> constraintViolation = constraintViolationSet.iterator().next();
-      message = constraintViolation.getMessage();
-      fieldName = getFieldName(constraintViolation.getPropertyPath());
+        ErrorCode validationErrorCode = new ValidationErrorBuilder(message, fieldName).build();
 
-    } else {
-      message = validationException.getMessage();
+        LOGGER.error(validationErrorCode.message(), validationException);
+        return Response.status(Response.Status.EXPECTATION_FAILED) //error 417
+                       .entity(toEntity(Response.Status.EXPECTATION_FAILED, validationErrorCode)).build();
     }
 
-    ErrorCode validationErrorCode = new ValidationErrorBuilder(message, fieldName).build();
+    private Response transform(JsonMappingException jsonMappingException) {
+        ErrorCode jsonMappingErrorCode = new JsonMappingErrorBuilder().build();
+        LOGGER.error(jsonMappingErrorCode.message(), jsonMappingException);
+        return Response.status(Response.Status.EXPECTATION_FAILED) //error 417
+                       .entity(toEntity(Response.Status.EXPECTATION_FAILED, jsonMappingErrorCode)).build();
+    }
 
-    LOGGER.error(validationErrorCode.message(), validationException);
-    return Response
-        .status(Response.Status.EXPECTATION_FAILED) //error 417
-        .entity(toEntity(Response.Status.EXPECTATION_FAILED, validationErrorCode))
-        .build();
-  }
+    private Response transform(Exception exception) {
+        ErrorCode errorCode = new GeneralErrorBuilder().build();
+        LOGGER.error(errorCode.message(), exception);
+        return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+                       .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, errorCode)).build();
+    }
 
-  private Response transform(JsonMappingException jsonMappingException) {
-    ErrorCode jsonMappingErrorCode = new JsonMappingErrorBuilder().build();
-    LOGGER.error(jsonMappingErrorCode.message(), jsonMappingException);
-    return Response
-        .status(Response.Status.EXPECTATION_FAILED) //error 417
-        .entity(toEntity(Response.Status.EXPECTATION_FAILED, jsonMappingErrorCode))
-        .build();
-  }
+    private String getFieldName(Path propertyPath) {
+        return ((PathImpl) propertyPath).getLeafNode().toString();
+    }
 
-  private Response transform(Exception exception) {
-    ErrorCode errorCode = new GeneralErrorBuilder().build();
-    LOGGER.error(errorCode.message(), exception);
-    return Response
-        .status(Response.Status.INTERNAL_SERVER_ERROR)
-        .entity(toEntity(Response.Status.INTERNAL_SERVER_ERROR, errorCode))
-        .build();
-  }
-
-  private String getFieldName(Path propertyPath) {
-    return ((PathImpl) propertyPath).getLeafNode().toString();
-  }
-
-  private Object toEntity(Response.Status status, ErrorCode code) {
-    return new ErrorCodeAndMessage(status, code);
-  }
+    private Object toEntity(Response.Status status, ErrorCode code) {
+        return new ErrorCodeAndMessage(status, code);
+    }
 }
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/ZusammenExceptionMapper.java b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/ZusammenExceptionMapper.java
new file mode 100644
index 0000000..4100cc5
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/java/org/openecomp/sdcrests/errors/ZusammenExceptionMapper.java
@@ -0,0 +1,89 @@
+/*
+ * Copyright © 2016-2018 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openecomp.sdcrests.errors;
+
+import com.amdocs.zusammen.datatypes.response.Module;
+
+import java.util.stream.Stream;
+
+import javax.ws.rs.core.Response;
+import javax.ws.rs.ext.ExceptionMapper;
+
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.common.errors.ErrorCodeAndMessage;
+import org.openecomp.sdc.common.errors.GeneralErrorBuilder;
+import org.openecomp.sdc.common.errors.Messages;
+import org.openecomp.sdc.common.errors.SdcRuntimeException;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+
+public class ZusammenExceptionMapper implements ExceptionMapper<SdcRuntimeException> {
+    private static final String ZUSAMMEN_DB_PREFIX = Module.ZDB + "-";
+    private static final String VLM_VSP_VERSION_ID_DOES_NOT_EXISTS =
+            ZUSAMMEN_DB_PREFIX + com.amdocs.zusammen.datatypes.response.ErrorCode.ZU_ITEM_VERSION_NOT_EXIST;
+    private static final String VLM_VSP_ITEM_ID_DOES_NOT_EXISTS =
+            ZUSAMMEN_DB_PREFIX + com.amdocs.zusammen.datatypes.response.ErrorCode.ZU_ITEM_DOES_NOT_EXIST;
+    private static final String SUB_ENTITY_ID_DOES_NOT_EXISTS =
+            ZUSAMMEN_DB_PREFIX + com.amdocs.zusammen.datatypes.response.ErrorCode.ZU_ELEMENT_GET_INFO;
+    private static final String FAILED_TO_SYNC =
+            ZUSAMMEN_DB_PREFIX + com.amdocs.zusammen.datatypes.response.ErrorCode.ZU_ITEM_VERSION_SYNC;
+    private static final String FAILED_TO_PUBLISH_OUT_OF_SYNC =
+            ZUSAMMEN_DB_PREFIX + com.amdocs.zusammen.datatypes.response.ErrorCode
+                                              .ZU_ITEM_VERSION_PUBLISH_NOT_ALLOWED;
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ZusammenExceptionMapper.class);
+
+    @Override
+    public Response toResponse(SdcRuntimeException exception) {
+        return transform(exception);
+    }
+
+    private Response transform(SdcRuntimeException exception) {
+        if (Stream.of(VLM_VSP_ITEM_ID_DOES_NOT_EXISTS, VLM_VSP_VERSION_ID_DOES_NOT_EXISTS)
+                  .anyMatch(exception.getMessage()::contains)) {
+            return generateSdcErrorResponse(Messages.ENTITY_NOT_FOUND, Response.Status.NOT_FOUND,
+                    new SdcRuntimeException(Messages.ENTITY_NOT_FOUND.getErrorMessage(), exception));
+        } else if (exception.getMessage().contains(SUB_ENTITY_ID_DOES_NOT_EXISTS)) {
+            return generateSdcErrorResponse(Messages.SUB_ENTITY_NOT_FOUND, Response.Status.NOT_FOUND,
+                    new SdcRuntimeException(Messages.SUB_ENTITY_NOT_FOUND.getErrorMessage(), exception));
+        } else if (exception.getMessage().contains(FAILED_TO_SYNC)) {
+            return generateSdcErrorResponse(Messages.FAILED_TO_SYNC, Response.Status.EXPECTATION_FAILED,
+                    new SdcRuntimeException(Messages.FAILED_TO_SYNC.getErrorMessage(), exception));
+        } else if (exception.getMessage().contains(FAILED_TO_PUBLISH_OUT_OF_SYNC)) {
+            return generateSdcErrorResponse(Messages.FAILED_TO_PUBLISH_OUT_OF_SYNC, Response.Status.EXPECTATION_FAILED,
+                    new SdcRuntimeException(Messages.FAILED_TO_PUBLISH_OUT_OF_SYNC.getErrorMessage(), exception));
+        }
+
+        return genericError(exception);
+    }
+
+    private Response generateSdcErrorResponse(Messages messages, Response.Status status, Exception exception) {
+        ErrorCode errorCode = new ErrorCode.ErrorCodeBuilder()
+                                      .withId(messages.name())
+                                      .withMessage(exception.getMessage()).build();
+
+        LOGGER.error(errorCode.message(), exception);
+        return Response.status(status).entity(new ErrorCodeAndMessage(status, errorCode)).build();
+    }
+
+    private Response genericError(Exception exception) {
+        ErrorCode errorCode = new GeneralErrorBuilder().build();
+        LOGGER.error(errorCode.message(), exception);
+        return Response.status(Response.Status.INTERNAL_SERVER_ERROR)
+                       .entity(new ErrorCodeAndMessage(Response.Status.INTERNAL_SERVER_ERROR, errorCode)).build();
+    }
+}
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/resources/errorCodesToResponseStatusMapping.json b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/resources/errorCodesToResponseStatusMapping.json
index e4c6962..b1b1b76 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/resources/errorCodesToResponseStatusMapping.json
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/openecomp-sdc-common-rest/src/main/resources/errorCodesToResponseStatusMapping.json
@@ -5,5 +5,8 @@
   "PACKAGE_NOT_FOUND": "NOT_FOUND",
   "PACKAGE_INVALID": "BAD_REQUEST",
   "VENDOR_LICENSE_MODEL_NOT_FOUND": "NOT_FOUND",
-  "VENDOR_LICENSE_ENTITY_NOT_FOUND": "NOT_FOUND"
+  "VENDOR_LICENSE_ENTITY_NOT_FOUND": "NOT_FOUND",
+  "VERSIONABLE_SUB_ENTITY_NOT_FOUND": "NOT_FOUND",
+  "FEATURE_GROUP_NOT_EXIST_FOR_VSP": "NOT_FOUND",
+  "INVALID_COMPUTE_FLAVOR_ID": "NOT_FOUND"
 }
\ No newline at end of file
diff --git a/openecomp-be/backend/openecomp-sdc-item-permissions-manager/src/main/java/org/openecomp/sdc/itempermissions/dao/impl/PermissionsManagerImpl.java b/openecomp-be/backend/openecomp-sdc-item-permissions-manager/src/main/java/org/openecomp/sdc/itempermissions/dao/impl/PermissionsManagerImpl.java
index 4402af6..8f4f410 100644
--- a/openecomp-be/backend/openecomp-sdc-item-permissions-manager/src/main/java/org/openecomp/sdc/itempermissions/dao/impl/PermissionsManagerImpl.java
+++ b/openecomp-be/backend/openecomp-sdc-item-permissions-manager/src/main/java/org/openecomp/sdc/itempermissions/dao/impl/PermissionsManagerImpl.java
@@ -89,7 +89,7 @@
     if (!permissionsServices.isAllowed(itemId, currentUser, CHANGE_PERMISSIONS)) {
       throw new CoreException(new ErrorCode.ErrorCodeBuilder()
           .withMessage(Messages.PERMISSIONS_ERROR.getErrorMessage())
-          .withId(Messages.PERMISSIONS_ERROR.getErrorMessage())
+          .withId(Messages.PERMISSIONS_ERROR.name())
           .withCategory(ErrorCategory.SECURITY).build());
     }
 
@@ -99,7 +99,7 @@
     } else {
         throw new CoreException(new ErrorCode.ErrorCodeBuilder()
             .withMessage(Messages.PERMISSIONS_OWNER_ERROR.getErrorMessage())
-            .withId(Messages.PERMISSIONS_OWNER_ERROR.getErrorMessage())
+            .withId(Messages.PERMISSIONS_OWNER_ERROR.name())
             .withCategory(ErrorCategory.SECURITY).build());
       }
     }
diff --git a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeploymentFlavorErrorBuilder.java b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeploymentFlavorErrorBuilder.java
index 08fb711..8fa8bd2 100644
--- a/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeploymentFlavorErrorBuilder.java
+++ b/openecomp-be/backend/openecomp-sdc-vendor-software-product-manager/src/main/java/org/openecomp/sdc/vendorsoftwareproduct/errors/DeploymentFlavorErrorBuilder.java
@@ -16,7 +16,6 @@
 
 package org.openecomp.sdc.vendorsoftwareproduct.errors;
 
-
 import org.openecomp.sdc.common.errors.ErrorCategory;
 import org.openecomp.sdc.common.errors.ErrorCode;
 import org.openecomp.sdc.versioning.dao.types.Version;
@@ -25,8 +24,7 @@
     private static final String CREATE_DEPLOYMENT_FLAVOR_NOT_ALLOWED_IN_HEAT_ONBOARDING_MSG =
             "Deployment Flavor cannot be added for VSPs onboarded with HEAT.";
     private static final String FEATURE_GROUP_NOT_EXIST_FOR_VSP_MSG =
-            "Invalid request,Feature Group with Id %s does not exist for Vsp with Id %s and version "
-                    + "%s.";
+            "Invalid request, Feature Group provided does not exist for this Vsp.";
     private static final String INVALID_COMPONENT_COMPUTE_ASSOCIATION_MSG
             = "Invalid request,for valid association please provide ComponentId for Compute Flavor";
     private static final String SAME_VFC_ASSOCIATION_MORE_THAN_ONCE_NOT_ALLOWED_MSG =
@@ -36,7 +34,7 @@
     private static final String DEPLOYMENT_FLAVOUR_NAME_FORMAT_MSG = "Field does not conform to predefined criteria"
             + ": name : must match %s";
     private static final String INVALID_COMPUTE_FLAVOR_ID_MSG =
-            "Invalid request, Compute Flavor with Id %s does not exist for VFC with Id %s.";
+            "Invalid request, Compute Flavor provided does not exist for this VFC.";
     private static final String INVALID_COMPONENT_COMPUTE_ASSOCIATION_ERROR_MSG="VSP cannot be " +
             "submitted with an invalid Deployment Flavor. All Deployment Flavor should have atleast a VFC included with it's required Compute needs. " +
             "Please fix the Deployment Flavor %s and re-submit the VSP.";
@@ -62,8 +60,7 @@
         ErrorCode.ErrorCodeBuilder builder = new ErrorCode.ErrorCodeBuilder();
         builder.withId(VendorSoftwareProductErrorCodes.FEATURE_GROUP_NOT_EXIST_FOR_VSP);
         builder.withCategory(ErrorCategory.APPLICATION);
-        builder.withMessage(String.format(FEATURE_GROUP_NOT_EXIST_FOR_VSP_MSG,featureGroupId,
-                vspId,activeVersion.toString()));
+        builder.withMessage(FEATURE_GROUP_NOT_EXIST_FOR_VSP_MSG);
         return builder.build();
     }
 
diff --git a/openecomp-be/lib/openecomp-common-lib/pom.xml b/openecomp-be/lib/openecomp-common-lib/pom.xml
index 96218d3..87f0482 100644
--- a/openecomp-be/lib/openecomp-common-lib/pom.xml
+++ b/openecomp-be/lib/openecomp-common-lib/pom.xml
@@ -48,6 +48,11 @@
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-text</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.amdocs.zusammen</groupId>
+            <artifactId>zusammen-datatypes</artifactId>
+            <version>${zusammen.version}</version>
+        </dependency>
     </dependencies>
 
 </project>
diff --git a/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/errors/Messages.java b/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/errors/Messages.java
index 0bf8796..61fae7d 100644
--- a/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/errors/Messages.java
+++ b/openecomp-be/lib/openecomp-common-lib/src/main/java/org/openecomp/sdc/common/errors/Messages.java
@@ -39,6 +39,11 @@
   PERMISSIONS_ERROR("Permissions Error. The user does not have permission to perform this action."),
   PERMISSIONS_OWNER_ERROR("Permissions Error. Only one owner is allowed."),
 
+  ENTITY_NOT_FOUND("Incorrect item/version details provided."),
+  SUB_ENTITY_NOT_FOUND("Incorrect sub entity details provided."),
+  FAILED_TO_SYNC("Non existing version cannot be synced."),
+  FAILED_TO_PUBLISH_OUT_OF_SYNC("Publish is not allowed since the version status is Out of sync"),
+
   DELETE_VSP_ERROR("VSP has been certified and cannot be deleted."),
   DELETE_VLM_ERROR("VLM has been certified and cannot be deleted."),
 
diff --git a/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-api/src/main/java/org/openecomp/core/util/UniqueValueUtil.java b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-api/src/main/java/org/openecomp/core/util/UniqueValueUtil.java
index 86c3d64..0ba7228 100644
--- a/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-api/src/main/java/org/openecomp/core/util/UniqueValueUtil.java
+++ b/openecomp-be/lib/openecomp-core-lib/openecomp-nosqldb-lib/openecomp-nosqldb-api/src/main/java/org/openecomp/core/util/UniqueValueUtil.java
@@ -16,6 +16,9 @@
 
 package org.openecomp.core.util;
 
+import java.util.Optional;
+
+import org.apache.commons.lang3.ArrayUtils;
 import org.openecomp.core.dao.UniqueValueDao;
 import org.openecomp.core.dao.types.UniqueValueEntity;
 import org.openecomp.core.utilities.CommonMethods;
@@ -23,8 +26,6 @@
 import org.openecomp.sdc.common.errors.ErrorCategory;
 import org.openecomp.sdc.common.errors.ErrorCode;
 
-import java.util.Optional;
-
 public class UniqueValueUtil {
 
   private static final String UNIQUE_VALUE_VIOLATION = "UNIQUE_VALUE_VIOLATION";
@@ -44,10 +45,16 @@
    * @param uniqueCombination the unique combination
    */
   public void createUniqueValue(String type, String... uniqueCombination) {
-    formatValue(uniqueCombination).ifPresent(formattedValue -> {
-      validateUniqueValue(type, formattedValue, uniqueCombination);
-      uniqueValueDao.create(new UniqueValueEntity(type, formattedValue));
-    });
+    String originalEntityName = null;
+    if (ArrayUtils.isNotEmpty(uniqueCombination)) {
+      originalEntityName = uniqueCombination[uniqueCombination.length - 1];
+    }
+
+    Optional<String> formattedValue = formatValue(uniqueCombination);
+    if (formattedValue.isPresent()) {
+      validateUniqueValue(type, formattedValue.get(), originalEntityName);
+      uniqueValueDao.create(new UniqueValueEntity(type, formattedValue.get()));
+    }
   }
 
   /**
@@ -85,8 +92,15 @@
    * @param uniqueCombination the unique combination
    */
   public void validateUniqueValue(String type, String... uniqueCombination) {
-    formatValue(uniqueCombination)
-        .ifPresent(formattedValue -> validateUniqueValue(type, formattedValue, uniqueCombination));
+    String originalEntityName = null;
+    if (ArrayUtils.isNotEmpty(uniqueCombination)) {
+      originalEntityName = uniqueCombination[uniqueCombination.length - 1];
+    }
+
+    Optional<String> formattedValue = formatValue(uniqueCombination);
+    if (formattedValue.isPresent()) {
+      validateUniqueValue(type, formattedValue.get(), originalEntityName);
+    }
   }
 
   /**
@@ -100,14 +114,13 @@
         .orElse(false);
   }
 
-  private void validateUniqueValue(String type, String formattedValue,
-                                   String... uniqueCombination) {
+  private void validateUniqueValue(String type, String formattedValue, String originalEntityName) {
     if (isUniqueValueOccupied(type, formattedValue)) {
       throw new CoreException(new ErrorCode.ErrorCodeBuilder()
           .withCategory(ErrorCategory.APPLICATION)
           .withId(UNIQUE_VALUE_VIOLATION)
           .withMessage(String
-              .format(UNIQUE_VALUE_VIOLATION_MSG, type, getValueWithoutContext(uniqueCombination)))
+              .format(UNIQUE_VALUE_VIOLATION_MSG, type, originalEntityName))
           .build());
     }
   }
diff --git a/openecomp-be/lib/openecomp-item-permissions-lib/openecomp-item-permissions-core/src/main/java/org/openecomp/sdc/itempermissions/servlet/PermissionsFilter.java b/openecomp-be/lib/openecomp-item-permissions-lib/openecomp-item-permissions-core/src/main/java/org/openecomp/sdc/itempermissions/servlet/PermissionsFilter.java
index baafb4a..30472d6 100644
--- a/openecomp-be/lib/openecomp-item-permissions-lib/openecomp-item-permissions-core/src/main/java/org/openecomp/sdc/itempermissions/servlet/PermissionsFilter.java
+++ b/openecomp-be/lib/openecomp-item-permissions-lib/openecomp-item-permissions-core/src/main/java/org/openecomp/sdc/itempermissions/servlet/PermissionsFilter.java
@@ -16,9 +16,7 @@
 
 package org.openecomp.sdc.itempermissions.servlet;
 
-import org.openecomp.sdc.itempermissions.PermissionsServices;
-import org.openecomp.sdc.itempermissions.PermissionsServicesFactory;
-
+import java.io.IOException;
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
 import javax.servlet.FilterConfig;
@@ -28,70 +26,92 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.ws.rs.HttpMethod;
-import java.io.IOException;
+import javax.ws.rs.core.Response;
+
+import org.codehaus.jackson.map.ObjectMapper;
+import org.openecomp.sdc.common.errors.ErrorCode;
+import org.openecomp.sdc.common.errors.ErrorCodeAndMessage;
+import org.openecomp.sdc.common.errors.Messages;
+import org.openecomp.sdc.itempermissions.PermissionsServices;
+import org.openecomp.sdc.itempermissions.PermissionsServicesFactory;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
 
 /**
  * Created by ayalaben on 6/27/2017.
  */
 public class PermissionsFilter implements Filter {
 
-  private final PermissionsServices permissionsServices;
-  private static final String IRRELEVANT_REQUEST = "Irrelevant_Request";
-  private static final String EDIT_ITEM = "Edit_Item";
+    private static final Logger LOGGER = LoggerFactory.getLogger(PermissionsFilter.class);
+    private final PermissionsServices permissionsServices;
+    private static final String IRRELEVANT_REQUEST = "Irrelevant_Request";
+    private static final String EDIT_ITEM = "Edit_Item";
 
-  public PermissionsFilter() {
-    this.permissionsServices = PermissionsServicesFactory.getInstance().createInterface();
-  }
-
-  @Override
-  public void init(FilterConfig filterConfig) {
-    // required by servlet API
-  }
-
-  @Override
-  public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
-                       FilterChain filterChain) throws IOException, ServletException {
-
-    if ((servletRequest instanceof HttpServletRequest) &&
-      isIrrelevant((HttpServletRequest) servletRequest, servletResponse)) {
-        return;
+    public PermissionsFilter() {
+        this.permissionsServices = PermissionsServicesFactory.getInstance().createInterface();
     }
 
-    filterChain.doFilter(servletRequest, servletResponse);
-  }
+    @Override
+    public void init(FilterConfig filterConfig) {
+        // required by servlet API
+    }
 
-  private boolean isIrrelevant(HttpServletRequest servletRequest, ServletResponse servletResponse) throws IOException {
+    @Override
+    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
+            throws IOException, ServletException {
 
-
-    String method = servletRequest.getMethod();
-    if (method.equals(HttpMethod.POST) || method.equals(HttpMethod.PUT) || method.equals(HttpMethod.DELETE)) {
-
-      String userId = servletRequest.getHeader("USER_ID");
-      String itemId = parseItemIdFromPath(servletRequest.getPathInfo());
-
-      if (!itemId.equals(IRRELEVANT_REQUEST) && !permissionsServices.isAllowed(itemId,userId,EDIT_ITEM)) {
-          ((HttpServletResponse) servletResponse).setStatus(HttpServletResponse.SC_FORBIDDEN);
-          servletResponse.getWriter().print("Permissions Error. The user does not have " +
-              "permission to perform" +
-              " this action.");
-          return true;
+        if ((servletRequest instanceof HttpServletRequest)
+                    && isRelevant((HttpServletRequest) servletRequest, servletResponse)) {
+            filterChain.doFilter(servletRequest, servletResponse);
         }
     }
 
-    return false;
-  }
+    private boolean isRelevant(HttpServletRequest servletRequest, ServletResponse servletResponse) throws IOException {
+        String method = servletRequest.getMethod();
+        if (method.equals(HttpMethod.POST) || method.equals(HttpMethod.PUT) || method.equals(HttpMethod.DELETE)) {
 
-  private String parseItemIdFromPath(String pathInfo) {
-    String[] tokens = pathInfo.split("/");
-    if (tokens.length < 4) {
-      return IRRELEVANT_REQUEST;
-    } else {
-      return tokens[3];
+            String userId = servletRequest.getHeader("USER_ID");
+            String itemId = parseItemIdFromPath(servletRequest.getPathInfo());
+
+            if (!itemId.equals(IRRELEVANT_REQUEST) && !permissionsServices.isAllowed(itemId, userId, EDIT_ITEM)) {
+                ((HttpServletResponse) servletResponse).setStatus(HttpServletResponse.SC_FORBIDDEN);
+                servletResponse.getWriter().print(buildResponse(Response.Status.FORBIDDEN,
+                        Messages.PERMISSIONS_ERROR.getErrorMessage(),
+                        Messages.PERMISSIONS_ERROR.name()));
+                return false;
+            }
+        }
+
+        return true;
     }
-  }
 
-  @Override
-  public void destroy() {
-    // required by serlvet API
-  }
+    private String parseItemIdFromPath(String pathInfo) {
+        String[] tokens = pathInfo.split("/");
+        if (tokens.length < 4) {
+            return IRRELEVANT_REQUEST;
+        } else {
+            return tokens[3];
+        }
+    }
+
+    @Override
+    public void destroy() {
+        // required by serlvet API
+    }
+
+    private String buildResponse(Response.Status status, String message, String id) {
+        ErrorCode errorCode = new ErrorCode.ErrorCodeBuilder()
+                                      .withId(id)
+                                      .withMessage(message).build();
+        return objectToJsonString(new ErrorCodeAndMessage(status, errorCode));
+    }
+
+    private String objectToJsonString(Object obj) {
+        try {
+            return new ObjectMapper().writerWithDefaultPrettyPrinter().writeValueAsString(obj);
+        } catch (Exception e) {
+            LOGGER.error(e.getMessage(), e);
+            return "An internal error has occurred. Please contact support.";
+        }
+    }
 }