How To Fix /IWBEP/CM_V4_MED266 - Complex type with EDM name '&1' not found

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 266

• Message text: Complex type with EDM name '&1' not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED266 - Complex type with EDM name '&1' not found ?

  The SAP error message /IWBEP/CM_V4_MED266 Complex type with EDM name '&1' not found typically occurs in the context of SAP Gateway and OData services. This error indicates that the system is unable to find a complex type definition in the Entity Data Model (EDM) that corresponds to the name provided in the error message.
  Cause:
  
  Missing Complex Type Definition: The complex type that is being referenced in the OData service is not defined in the corresponding data model.
  Incorrect Naming: There might be a typo or incorrect naming in the OData service or the data model.
  Service Not Activated: The OData service might not be properly activated or registered in the SAP Gateway.
  Model Changes: If there have been recent changes to the data model (like adding or removing complex types), the OData service may not have been updated accordingly.
  Transport Issues: If the changes were transported from one system to another, the transport might not have included the necessary definitions.
  
  Solution:
  
  
  Check Complex Type Definition: Verify that the complex type with the specified EDM name is defined in the data model. You can do this by checking the relevant data model in the SAP Gateway Service Builder (transaction code SEGW).
  
  
  Update OData Service: If the complex type is missing, you may need to create it in the service definition. If it exists, ensure that it is correctly referenced in your OData service.
  
  
  Activate the Service: Ensure that the OData service is activated. You can do this in the SAP Gateway Service Builder by selecting the service and choosing the "Activate" option.
  
  
  Regenerate the Service: If you have made changes to the data model, regenerate the OData service to ensure that all definitions are up to date. This can be done in the Service Builder by selecting the service and choosing the "Generate" option.
  
  
  Check for Typos: Review the code or configuration where the complex type is referenced to ensure there are no typos or incorrect references.
  
  
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included in the transport request.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SEGW: Service Builder for OData services.
  /IWBEP/REG_SERVICE: To register and activate OData services.
  
  
  
  Documentation: Refer to SAP Help documentation for OData services and the SAP Gateway for more detailed information on complex types and EDM.
  
  
  Debugging: If the issue persists, consider using debugging tools to trace the execution and identify where the reference to the complex type is failing.
  
  
  By following these steps, you should be able to resolve the error and ensure that your OData service functions correctly.