How To Fix /IWBEP/CM_SBMC_MPC039 - Complextype '&1' does not have any properties

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_SBMC_MPC -

• Message number: 039

• Message text: Complextype '&1' does not have any properties

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_SBMC_MPC039 - Complextype '&1' does not have any properties ?

  The SAP error message /IWBEP/CM_SBMC_MPC039 indicates that a complex type in your OData service does not have any properties defined. This typically occurs when you are trying to define or use a complex type in your OData model, but the system cannot find any properties associated with that complex type.
  Cause:
  
  Missing Properties: The complex type you are trying to use has not been defined with any properties in the metadata.
  Incorrect Model Definition: There may be an issue in the way the OData model is defined, leading to the complex type being recognized but not properly populated with properties.
  Model Generation Issues: If the model was generated from a data source, there may have been an issue during the generation process that resulted in the complex type being created without properties.
  
  Solution:
  
  
  Check Complex Type Definition:
  
  Go to the OData service definition in the SAP Gateway Service Builder (transaction code SEGW).
  Locate the complex type that is causing the error and ensure that it has properties defined. If it does not, you will need to add the necessary properties.
  
  
  
  Regenerate the Model:
  
  If you have made changes to the underlying data model or the complex type, regenerate the OData service to ensure that the changes are reflected in the service metadata.
  Use the "Generate Runtime Objects" option in the Service Builder.
  
  
  
  Check Data Source:
  
  If the complex type is based on a data source (like a database table or structure), ensure that the data source is correctly defined and that it contains the necessary fields.
  
  
  
  Activate the Service:
  
  After making changes, ensure that the OData service is activated. You can do this in the Service Maintenance (transaction code /IWFND/MAINT_SERVICE).
  
  
  
  Test the Service:
  
  Use the OData service URL to test the service and check if the error persists. You can use tools like Postman or the SAP Gateway Client (transaction /IWFND/GW_CLIENT) for testing.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional guidance.
  Documentation: Review the SAP Gateway documentation for best practices on defining complex types and OData services.
  Community Forums: Consider searching or posting in SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and ensure that your complex type is properly defined and functional within your OData service.