How To Fix /IWBEP/CM_MGW_RT165 - Dummy field '&1' not found in include '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_MGW_RT -

• Message number: 165

• Message text: Dummy field '&1' not found in include '&2'

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_MGW_RT165 - Dummy field '&1' not found in include '&2' ?

  The SAP error message /IWBEP/CM_MGW_RT165 Dummy field '&1' not found in include '&2' typically occurs in the context of SAP Gateway and OData services. This error indicates that a field that is expected to be present in a specific data structure (defined in the include file) is not found. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Field Definition Missing: The field specified by &1 is not defined in the include file specified by &2. This could be due to a missing field in the data model or a mismatch between the OData service and the underlying data structure.
  Changes in Data Model: If there have been recent changes to the data model (like adding or removing fields) without updating the OData service, this error can occur.
  Inconsistent Metadata: The metadata of the OData service may not be in sync with the underlying data structure, leading to discrepancies.
  
  Solutions:
  
  Check Field Definitions: Verify that the field &1 is correctly defined in the include file &2. If it is missing, you may need to add it to the data structure.
  Update OData Service: If changes were made to the underlying data model, ensure that the OData service is updated accordingly. This can involve regenerating the service or updating the service definition.
  Regenerate the Service: Use transaction code /IWFND/MAINT_SERVICE to maintain and regenerate the OData service. This can help in refreshing the metadata and ensuring that all fields are correctly recognized.
  Check for Transport Issues: If the changes were transported from a development environment to a production environment, ensure that all necessary objects were included in the transport request.
  Debugging: If the issue persists, consider debugging the OData service to trace where the error is occurring. This can provide insights into why the field is not being recognized.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To maintain OData services.
  /IWBEP/REG_SERVICE: To register OData services.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues related to this error message.
  Documentation: Review the SAP Gateway documentation for best practices on defining and maintaining OData services.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.