How To Fix /IWBEP/CM_V4S_RUN071 - Child data description for '&1' not processed by the provider application

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 071

• Message text: Child data description for '&1' not processed by the provider application

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 /IWBEP/CM_V4S_RUN071 - Child data description for '&1' not processed by the provider application ?

  The SAP error message /IWBEP/CM_V4S_RUN071 indicates that there is an issue with the processing of child data descriptions in a service, typically related to OData services in SAP Gateway. This error usually occurs when the service is unable to retrieve or process the child entity data for a given parent entity.
  Cause:
  
  Missing or Incorrect Configuration: The child entity might not be properly configured in the OData service. This could be due to missing associations or navigation properties.
  Data Retrieval Issues: The underlying data model may not have the necessary data, or there may be issues with the data retrieval logic in the service implementation.
  Authorization Issues: The user may not have the necessary authorizations to access the child data.
  Service Implementation Errors: There could be errors in the implementation of the service methods that handle the child data.
  
  Solution:
  
  
  Check Service Configuration:
  
  Ensure that the child entity is correctly defined in the OData service. Check the metadata to confirm that the associations and navigation properties are correctly set up.
  Use transaction code /IWFND/MAINT_SERVICE to check the service configuration.
  
  
  
  Review Data Model:
  
  Verify that the data model has the necessary data for the child entities. Check if the parent entity has valid child records in the database.
  
  
  
  Debug the Service Implementation:
  
  If you have access to the backend code, debug the service implementation to identify where the processing of child data is failing. Look for any exceptions or errors in the logic that retrieves child data.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access both the parent and child entities. You can use transaction code SU53 to check for authorization issues after the error occurs.
  
  
  
  Test the OData Service:
  
  Use tools like Postman or the SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test the OData service directly. This can help isolate whether the issue is with the service itself or with the calling application.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues related to this error message.
  OData Documentation: Review the SAP OData documentation for best practices in service implementation and configuration.
  Community Forums: Check SAP Community forums for similar issues and solutions shared by other users.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_V4S_RUN071.