How To Fix /IWBEP/CM_V4_MED230 - No EDM type setting on primitive type '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 230

• Message text: No EDM type setting on primitive type '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED230 - No EDM type setting on primitive type '&1' ?

  The SAP error message /IWBEP/CM_V4_MED230 No EDM type setting on primitive type '&1' typically occurs in the context of SAP Gateway and OData services. This error indicates that there is a missing or incorrect mapping for a primitive data type in the Entity Data Model (EDM) configuration.
  Cause:
  
  Missing EDM Type Mapping: The error suggests that the system cannot find a corresponding EDM type for a primitive type that is being used in your OData service. This often happens when a data type in your ABAP structure or table does not have a defined mapping to an EDM type.
  Unsupported Data Type: The primitive type being referenced may not be supported by the OData service or may not have been defined in the service's metadata.
  Incorrect Configuration: There may be an issue with the configuration of the OData service or the way the data model is defined.
  
  Solution:
  
  Check Data Types: Review the ABAP data types used in your service. Ensure that all primitive types have a corresponding EDM type. Common primitive types include String, Int32, Decimal, etc.
  Define EDM Types: If you find that a primitive type is missing an EDM mapping, you may need to define it in the service's metadata. This can be done by adjusting the data model in the service definition.
  Update Service Metadata: After making changes to the data types or mappings, regenerate the service metadata. You can do this by using transaction code /IWFND/MAINT_SERVICE to maintain the service and then regenerate the metadata.
  Check Service Implementation: Ensure that the service implementation (e.g., the DPC and MPC classes) correctly reflects the data model and that all types are properly defined.
  Test the Service: After making the necessary changes, test the OData service again to see if the error persists.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling EDM type mappings.
  OData Documentation: Review SAP's documentation on OData services and the Entity Data Model to understand how to properly define and map data types.
  Community Forums: Consider searching or posting on SAP Community forums for additional insights or similar experiences from other users.
  
  By following these steps, you should be able to resolve the error and ensure that your OData service functions correctly.