How To Fix /IWBEP/CM_V4_MED102 - Complex type '&1' not found for property '&2' in entity type '&3'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 102

• Message text: Complex type '&1' not found for property '&2' in entity type '&3'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED102 - Complex type '&1' not found for property '&2' in entity type '&3' ?

  The SAP error message /IWBEP/CM_V4_MED102 indicates that there is a problem with the OData service configuration, specifically related to the metadata of the entity type being accessed. This error typically occurs when the OData service is trying to access a complex type that is not defined or not recognized in the context of the entity type.
  Cause:
  
  Missing Complex Type Definition: The complex type referenced in the error message (&1) is not defined in the metadata of the OData service.
  Incorrect Property Mapping: The property (&2) that is supposed to use the complex type is incorrectly mapped or does not exist in the entity type (&3).
  Service Activation Issues: The OData service may not be properly activated or there may be issues with the service registration.
  Versioning Issues: If there are multiple versions of the OData service, the version being accessed may not have the required complex type defined.
  
  Solution:
  
  Check Metadata: Verify the metadata of the OData service to ensure that the complex type is defined. You can access the metadata by appending $metadata to the service URL.
  Define Missing Complex Type: If the complex type is missing, you need to define it in the relevant ABAP class or data model. This can be done in the service definition using transaction SEGW (Gateway Service Builder).
  Correct Property Mapping: Ensure that the property is correctly mapped to the complex type in the entity type definition. Check the data model for any discrepancies.
  Activate the Service: If the service is not activated, activate it using transaction /IWFND/MAINT_SERVICE. Ensure that the service is properly registered and activated in the system.
  Check for Versioning Issues: If you are using different versions of the OData service, ensure that you are accessing the correct version that includes the required complex type.
  
  Related Information:
  
  Transaction Codes:
  
  SEGW: Gateway Service Builder for creating and managing OData services.
  /IWFND/MAINT_SERVICE: To maintain and activate OData services.
  
  
  Debugging: Use transaction SLG1 to check for logs related to the OData service execution, which may provide additional insights into the error.
  Documentation: Refer to SAP Help documentation for OData services and complex types for more detailed guidance on defining and using complex types in OData services.
  
  By following these steps, you should be able to identify and resolve the issue causing the error message /IWBEP/CM_V4_MED102.