How To Fix SADL_EXPOSURE039 - Two associations annotated with &1 are not allowed (&2, &3)

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_EXPOSURE - Errors During Exposure Compilation

• Message number: 039

• Message text: Two associations annotated with &1 are not allowed (&2, &3)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SADL_EXPOSURE039 - Two associations annotated with &1 are not allowed (&2, &3) ?

  The SAP error message SADL_EXPOSURE039 indicates that there are two associations in your data model that are conflicting due to the same annotation being applied to both. This typically occurs in the context of the SAP ABAP programming model, particularly when working with the SAP Data Access Layer (SADL) and OData services.
  Cause:
  The error arises when:
  
  You have defined two associations in your data model that are both annotated with the same name or identifier (denoted by &1 in the error message).
  The system does not allow multiple associations with the same annotation name for a single entity or context, as it can lead to ambiguity in data retrieval and processing.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review the Data Model: Check the data model where the associations are defined. Look for the associations that are causing the conflict (identified as &2 and &3 in the error message).
  
  
  Rename Associations: If you find that both associations are indeed using the same annotation name, consider renaming one of them to ensure that each association has a unique identifier.
  
  
  Check Annotations: Ensure that the annotations applied to the associations are appropriate and necessary. If one of the associations is redundant, you may consider removing it.
  
  
  Update the Metadata: After making changes to the associations, ensure that you regenerate or update the metadata for your OData service to reflect the changes.
  
  
  Test the Changes: After making the necessary adjustments, test the OData service to ensure that the error is resolved and that the associations work as intended.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SADL and OData services for more detailed information on how to define associations and annotations correctly.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and how they resolved them.
  Debugging Tools: Use debugging tools available in the ABAP development environment to trace the execution and identify where the conflicting associations are being defined.
  
  By following these steps, you should be able to resolve the SADL_EXPOSURE039 error and ensure that your data model is correctly configured.