How To Fix /IWBEP/CM_V4_MED349 - No specific entity type set for operation advertising with complex type

/IWBEP/CM_V4_MED349 - Overview

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 349

• Message text: No specific entity type set for operation advertising with complex type

Self-Explanatory Message

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/IWBEP/CM_V4_MED349 - Details

• The SAP error message /IWBEP/CM_V4_MED349 indicates that there is an issue with the OData service configuration, specifically related to the handling of complex types in the service. This error typically arises when the OData service is trying to perform an operation (like a read, create, or update) on a complex type, but it cannot determine the specific entity type to use for that operation.
  
  Cause:
  
  Missing Entity Type Definition: The OData service may not have a defined entity type for the complex type being referenced in the operation.
  Incorrect Metadata: The metadata of the OData service might not be correctly defined or might be missing the necessary information about the complex types.
  Service Implementation Issues: There could be issues in the implementation of the service, such as incorrect handling of complex types in the service logic.
  Client Request Issues: The request sent to the OData service might not be correctly formatted or might be missing