Message type: E = Error
Message class: /IWBEP/CM_SBMC_MPC -
Message number: 001
Message text: Complex Type not specified
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The SAP error message /IWBEP/CM_SBMC_MPC001 Complex Type not specified typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a problem with the definition of a complex type in the OData model, which is essential for the proper functioning of the service.
Cause: Missing Complex Type Definition: The error usually arises when a complex type that is expected in the OData service is not defined in the metadata or is incorrectly referenced. Model
Configuration Issues: There may be issues in the model configuration, such as incorrect associations or navigation properties that reference non-existent complex types. Service Registration Issues: The OData service may not be properly registered or activated in the SAP Gateway. Versioning Issues: If there are multiple versions of the service, the wrong version might be called, leading to missing definitions.
Solution: Check Complex Type Definitions: Go to the Data Model in the SAP Gateway Service Builder (transaction code
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