How To Fix /IWBEP/CM_V4_RUNTIME067 - Application did not set DONE list for an expand node '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_RUNTIME -

• Message number: 067

• Message text: Application did not set DONE list for an expand node '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_RUNTIME067 - Application did not set DONE list for an expand node '&1' ?

  The SAP error message /IWBEP/CM_V4_RUNTIME067 indicates that there is an issue with the OData service where the application did not set the "DONE" list for an expand node. This typically occurs in the context of an OData service implementation in SAP Gateway, particularly when dealing with entity relationships and navigation properties.
  Cause:
  
  
  Missing Implementation: The error often arises when the OData service is not properly implemented to handle the expand operation for a specific navigation property. The application is expected to populate the "DONE" list, which indicates that the data for the expand node has been successfully retrieved and processed.
  
  
  Incorrect Data Model: If the data model does not correctly define the relationships between entities, or if the navigation properties are not properly configured, this error can occur.
  
  
  Service Configuration Issues: There may be issues with the service configuration, such as missing or incorrect annotations that define how the expand operation should be handled.
  
  
  Runtime Errors: There could be runtime errors in the code that prevent the application from setting the DONE list correctly.
  
  
  Solution:
  
  
  Check Implementation: Review the implementation of the OData service, particularly the methods that handle the expand operation. Ensure that the logic for populating the DONE list is correctly implemented.
  
  
  Verify Data Model: Ensure that the data model is correctly defined, and that all navigation properties are properly configured. Check the relationships between entities to ensure they are correctly set up.
  
  
  Service Annotations: Check the annotations in the service metadata to ensure that they are correctly defined for the expand nodes. This includes checking for any missing or incorrect annotations that could affect the expand operation.
  
  
  Debugging: Use debugging tools to trace the execution of the OData service and identify where the DONE list is not being set. Look for any exceptions or errors that may be occurring during the data retrieval process.
  
  
  Testing: Test the OData service with different scenarios to see if the error occurs consistently or only under certain conditions. This can help narrow down the cause of the issue.
  
  
  Consult Documentation: Refer to SAP documentation and community forums for additional insights and solutions related to this specific error message.
  
  
  Related Information:
  
  SAP Gateway: Understanding the SAP Gateway framework and how it handles OData services can provide insights into common issues and best practices for implementation.
  OData Protocol: Familiarity with the OData protocol and its conventions for handling entity relationships and expand operations can help in troubleshooting issues related to data retrieval.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on best practices for OData service implementation.
  
  By following these steps, you should be able to identify and resolve the issue related to the /IWBEP/CM_V4_RUNTIME067 error message in your SAP OData service.