How To Fix /IWBEP/CM_SBMC_MPC014 - Input parameter name is not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SBMC_MPC -

• Message number: 014

• Message text: Input parameter name is not specified

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_SBMC_MPC014 - Input parameter name is not specified ?

  The SAP error message /IWBEP/CM_SBMC_MPC014 Input parameter name is not specified typically occurs in the context of SAP Gateway or OData services when there is an issue with the input parameters being passed to a service or function module. This error indicates that the system expects an input parameter, but it has not been provided or is incorrectly defined.
  Causes:
  
  Missing Input Parameter: The most common cause is that the input parameter required by the OData service is not being sent in the request.
  Incorrect Parameter Name: The name of the input parameter in the request does not match the expected name defined in the service.
  Service Definition Issues: There may be issues in the service definition or the model provider class (MPC) where the input parameters are defined.
  Client-Side Issues: If you are using a client application (like SAP Fiori or a custom application), there may be issues in how the request is being constructed.
  
  Solutions:
  
  Check the OData Service: Review the OData service definition in the SAP Gateway Service Builder (transaction code SEGW) to ensure that all required input parameters are defined correctly.
  Review the Request: Ensure that the request being sent to the OData service includes all required input parameters with the correct names. You can use tools like Postman or the browser's developer tools to inspect the request.
  Debug the Service: If you have access to the backend, you can debug the service implementation to see what parameters are being received and where the error is occurring.
  Update the Client Application: If you are using a custom client application, ensure that it is correctly constructing the request with all necessary parameters.
  Check for Changes: If the service was recently modified, ensure that any changes to input parameters are reflected in the client application or any other consuming services.
  
  Related Information:
  
  Transaction Codes: Use transaction code /IWFND/MAINT_SERVICE to manage OData services and check their status.
  Service Documentation: Review the documentation for the specific OData service to understand the expected input parameters.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific OData service or the error message.
  Community Forums: Consider searching or posting in SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.