How To Fix /IWBEP/CM_V4S_RUN066 - Application did not set DONE list for an expand node '&1'

/IWBEP/CM_V4S_RUN066 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 066

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

Self-Explanatory Message

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/IWBEP/CM_V4S_RUN066 - Details

• The SAP error message /IWBEP/CM_V4S_RUN066 Application did not set DONE list for an expand node '&1' typically occurs in the context of OData services when the application logic fails to properly handle the expansion of entities in the response. This error indicates that the application did not provide a "DONE" list for a specific expand node, which is necessary for the OData framework to understand that the processing of that node is complete.
  
  Cause:
  
  Missing Implementation: The application logic for the specific expand node may not have been implemented correctly. This could be due to missing code that populates the DONE list.
  Incorrect Data Handling: The data retrieval logic may not be correctly handling the relationships between entities, leading to an incomplete response.
  
  Configuration Issues: There may be configuration issues in the OData service or the underlying data model that prevent the proper expansion of nodes.
  Service Definition Issues: The OData service definition might not