How To Fix SADL_GW_DT_CDS051 - Annotation &1&2 is used more than once.

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_GW_DT_CDS - Messages CDS Checks

• Message number: 051

• Message text: Annotation &1&2 is used more than once.

What causes this issue?

The annotation <(>&<)>1<(>&<)>2 is used more than once in the CDS view,
which is not allowed.

System Response

This annotation can be inherited from associated CDS views.

How to fix this error?

Remove the redundant occurrences of this annotation from the CDS view.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_GW_DT_CDS051 - Annotation &1&2 is used more than once. ?

  The SAP error message SADL_GW_DT_CDS051 indicates that there is a problem with the annotations in your Core Data Services (CDS) view. Specifically, it means that an annotation is being used more than once, which is not allowed in the context of the CDS view definition.
  Cause:
  The error typically arises from:
  
  Duplicate Annotations: You have defined the same annotation multiple times in your CDS view or in the associated metadata.
  Incorrect Annotation Usage: Some annotations are meant to be unique and should not be repeated for the same entity or field.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Review the CDS View: Check the definition of your CDS view for any duplicate annotations. Look for annotations that are defined more than once for the same entity or field.
  
  
  Remove Duplicates: If you find any duplicate annotations, remove the redundant ones. Ensure that each annotation is defined only once.
  
  
  Check Related Annotations: Sometimes, annotations can be related or dependent on each other. Make sure that the annotations you are using are appropriate for the context and do not conflict with each other.
  
  
  Use Unique Annotations: If you need to apply similar functionality, consider using different annotations or restructuring your CDS view to avoid the need for duplicates.
  
  
  Test the Changes: After making the necessary adjustments, activate the CDS view and test it to ensure that the error is resolved.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Core Data Services to understand the correct usage of annotations and their constraints.
  SAP Community: You can also check the SAP Community forums for similar issues and solutions shared by other developers.
  Debugging Tools: Use the ABAP Development Tools (ADT) in Eclipse or the SAP HANA Studio to help identify and correct issues in your CDS views.
  
  By following these steps, you should be able to resolve the SADL_GW_DT_CDS051 error and ensure that your CDS view is correctly defined.