How To Fix /IWBEP/CM_V4_MED129 - Incompatible EDM and ABAP type combination on property '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWBEP/CM_V4_MED -

• Message number: 129

• Message text: Incompatible EDM and ABAP type combination on property '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWBEP/CM_V4_MED129 - Incompatible EDM and ABAP type combination on property '&1' ?

  The SAP error message /IWBEP/CM_V4_MED129 indicates that there is an incompatibility between the EDM (Entity Data Model) type and the ABAP type for a property in your OData service. This typically occurs when the data types defined in the OData service do not match the expected types in the ABAP backend.
  Cause:
  
  Type Mismatch: The property in the EDM model is defined with a certain type (e.g., Edm.String, Edm.Int32, etc.), but the corresponding ABAP field has a different type (e.g., CHAR, INT, etc.).
  Inconsistent Metadata: The metadata exposed by the OData service does not align with the actual data types in the ABAP data dictionary.
  Data Length Issues: The length of the data type in ABAP may exceed the limits defined in the EDM model, or vice versa.
  
  Solution:
  
  Check Data Types: Review the data types defined in the OData service and compare them with the corresponding ABAP data types. Ensure that they are compatible.
  Adjust EDM Model: If necessary, modify the EDM model to match the ABAP types. This can be done in the service definition or the corresponding CDS view.
  Update ABAP Dictionary: If the ABAP types are incorrect, consider updating the ABAP data dictionary to ensure that the types align with the EDM definitions.
  Regenerate Service: After making changes, regenerate the OData service to ensure that the metadata is updated.
  Test the Service: After making the necessary adjustments, test the OData service to confirm that the error has been resolved.
  
  Related Information:
  
  OData Service Metadata: You can view the metadata of your OData service by appending $metadata to the service URL. This will help you identify the types defined in the EDM.
  ABAP Data Dictionary: Use transaction SE11 to check the data types of the fields in the ABAP data dictionary.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide guidance on resolving type mismatches in OData services.
  
  By following these steps, you should be able to resolve the /IWBEP/CM_V4_MED129 error and ensure that your OData service functions correctly.