How To Fix /IWBEP/CM_V4_MED199 - Complex type '&1' not found (service: Rep.='&2', ID='&3', version='&4')

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 199

• Message text: Complex type '&1' not found (service: Rep.='&2', ID='&3', version='&4')

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED199 - Complex type '&1' not found (service: Rep.='&2', ID='&3', version='&4') ?

  The SAP error message /IWBEP/CM_V4_MED199 Complex type '&1' not found (service: Rep.='&2', ID='&3', version='&4') typically occurs in the context of SAP Gateway services, particularly when working with OData services. This error indicates that the system is unable to find a specified complex type in the service metadata.
  Cause:
  
  Missing Complex Type Definition: The complex type referenced in the error message (&1) is not defined in the service's metadata. This could be due to a missing or incorrectly defined data model.
  Service Activation Issues: The OData service may not be properly activated or may have been deactivated.
  Version Mismatch: The version of the service being called may not match the version where the complex type is defined.
  Transport Issues: If the service was recently transported from one system to another, the complex type may not have been included in the transport.
  Model Changes: Changes in the underlying data model (like changes in the structure of the database or data dictionary) that are not reflected in the OData service.
  
  Solution:
  
  Check Complex Type Definition: Verify that the complex type is defined in the data model of the OData service. You can do this by checking the service's metadata (usually accessible via the service URL with $metadata).
  Activate the Service: Ensure that the OData service is activated in the SAP Gateway. You can do this using transaction code /IWFND/MAINT_SERVICE to check the status of the service.
  Check Versioning: Make sure that you are using the correct version of the service. If the complex type was added in a newer version, ensure that you are calling that version.
  Re-generate the Service: If there have been changes to the underlying data model, you may need to regenerate the service. This can be done using transaction code SEGW (Service Builder) and then reactivating the service.
  Check Transport Requests: If the service was transported, ensure that all necessary objects, including the complex type, were included in the transport request.
  Debugging: If the issue persists, consider debugging the service to trace where the error occurs and gather more context.
  
  Related Information:
  
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: Manage OData services.
  SEGW: Service Builder for OData services.
  SE11: Data Dictionary to check the structure of the complex type.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address known issues with the specific version of the SAP Gateway or OData services.
  Documentation: Review the SAP Gateway documentation for best practices on defining and managing OData services.
  
  By following these steps, you should be able to identify and resolve the issue related to the complex type not being found in your SAP OData service.