How To Fix /IWBEP/CM_CP055 - Invalid V2 EDM conversion: Action imports are not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_CP -

• Message number: 055

• Message text: Invalid V2 EDM conversion: Action imports are not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_CP055 - Invalid V2 EDM conversion: Action imports are not supported ?

  The SAP error message /IWBEP/CM_CP055 Invalid V2 EDM conversion: Action imports are not supported typically occurs in the context of SAP Gateway and OData services when there is an attempt to use an action import that is not supported in the current context or configuration.
  Cause:
  
  Unsupported Action Import: The error indicates that the OData service is trying to execute an action import that is not defined or not supported in the service metadata.
  Incorrect Service Configuration: The OData service may not be properly configured to handle action imports, or the action import may not be correctly defined in the service.
  Version Mismatch: There may be a mismatch between the OData version being used and the capabilities of the service.
  Service Implementation Issues: The backend implementation of the action may not be correctly set up or may be missing.
  
  Solution:
  
  Check Service Metadata: Verify the service metadata (usually accessible via the service URL with $metadata appended) to ensure that the action import is defined correctly.
  Review Action Import Definition: Ensure that the action import is properly defined in the OData service implementation. This includes checking the parameters and return types.
  Update Service Implementation: If the action import is not implemented, you may need to implement it in the backend system. This involves creating the necessary logic in the ABAP class or function module that handles the action.
  Check OData Version: Ensure that the OData service is compatible with the version of the client making the request. If necessary, update the service to support the required version.
  Test with Different Clients: Sometimes, the issue may be client-specific. Test the service with different clients (e.g., Postman, SAP Fiori, etc.) to see if the issue persists.
  Debugging: If you have access to the backend, consider debugging the OData service to trace where the error occurs and gather more information about the failure.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on action imports in OData services.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation on OData services and action imports for best practices and implementation guidelines.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.