How To Fix /IWBEP/CM_V4S_RUN025 - Parameter '&1' is missing; Omitting is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4S_RUN -

• Message number: 025

• Message text: Parameter '&1' is missing; Omitting is not supported

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4S_RUN025 - Parameter '&1' is missing; Omitting is not supported ?

  The SAP error message /IWBEP/CM_V4S_RUN025 Parameter '&1' is missing; Omitting is not supported typically occurs in the context of OData services when a required parameter is not provided in the request. This error is related to the SAP Gateway and the OData service implementation.
  Cause:
  
  Missing Required Parameter: The error indicates that a required parameter (denoted by &1) is missing from the request. This could be a query parameter, a path parameter, or a body parameter that the OData service expects to receive.
  Service Definition: The OData service may have been defined in such a way that certain parameters are mandatory for the operation being performed (e.g., GET, POST, PUT, DELETE).
  Incorrect URL: The URL used to call the OData service might be incorrect or incomplete, leading to the omission of required parameters.
  
  Solution:
  
  Check Service Documentation: Review the OData service documentation to identify the required parameters for the specific operation you are trying to perform. Ensure that you are including all mandatory parameters in your request.
  Modify the Request: Update your request to include the missing parameter. For example, if the parameter is supposed to be part of the URL, ensure it is correctly appended to the endpoint.
  Debugging: If you have access to the backend, you can debug the OData service implementation to see which parameters are being checked and why the error is being triggered.
  Testing Tools: Use tools like Postman or SAP Gateway Client (Transaction /IWFND/GW_CLIENT) to test your OData service calls. This can help you identify if the issue is with the request format or parameters.
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address known issues with OData services.
  
  Related Information:
  
  OData Service Implementation: Familiarize yourself with how OData services are implemented in SAP, including the use of annotations and service definitions.
  SAP Gateway: Understand the role of SAP Gateway in exposing OData services and how it handles requests and responses.
  SAP Community: Engage with the SAP Community or forums for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and successfully call the OData service.