How To Fix /IWBEP/CM_SBMC_MPC028 - Package is not specified for MPC generation

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SBMC_MPC -

• Message number: 028

• Message text: Package is not specified for MPC generation

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_SBMC_MPC028 - Package is not specified for MPC generation ?

  The SAP error message /IWBEP/CM_SBMC_MPC028 Package is not specified for MPC generation typically occurs in the context of SAP Gateway and OData service development. This error indicates that the system is unable to find a package specified for the Model Provider Class (MPC) generation, which is essential for creating OData services.
  Cause:
  
  Missing Package Specification: The error usually arises when the package for the Model Provider Class (MPC) is not defined in the relevant configuration or in the service definition.
  Incorrect Configuration: There might be an issue with the configuration settings in the service or the project where the MPC is being generated.
  Transport Request Issues: If the development is being done in a transport request, the package might not be properly assigned or released.
  
  Solution:
  
  
  Check Package Assignment:
  
  Go to the transaction code SE80 (Object Navigator).
  Navigate to your OData service or the relevant project.
  Ensure that the package is correctly assigned to the Model Provider Class (MPC) and other related classes (DPC, etc.).
  If the package is missing, you can assign it by right-clicking on the class and selecting the appropriate package.
  
  
  
  Adjust Service Definition:
  
  In the transaction SEGW (Gateway Service Builder), check the service definition.
  Ensure that all necessary components (MPC, DPC, etc.) are properly defined and that the package is specified.
  
  
  
  Transport Request:
  
  If you are working in a transport request, ensure that the package is correctly assigned to the transport request.
  Check if the transport request is released and that all objects are included.
  
  
  
  Regenerate the Service:
  
  After making the necessary changes, regenerate the service by right-clicking on the service in SEGW and selecting "Generate".
  This will recreate the necessary classes and might resolve the issue.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to create or modify the OData service and its components.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SEGW: Gateway Service Builder
  SE80: Object Navigator
  SE11: Data Dictionary (for checking data models)
  
  
  
  Documentation: Refer to SAP Help documentation for OData service development and Gateway configuration for more detailed guidance.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance, as they may have additional insights or access to system logs that can help diagnose the issue.