How To Fix ISU_UMC_ODATA123 - The excluding selection parameter is not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: ISU_UMC_ODATA - Message class for the Multichannel oData services

• Message number: 123

• Message text: The excluding selection parameter is not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_UMC_ODATA123 - The excluding selection parameter is not supported ?

  The SAP error message ISU_UMC_ODATA123 with the description "The excluding selection parameter is not supported" typically occurs in the context of OData services in SAP IS-U (Utilities) when a request is made that includes an unsupported exclusion parameter in the selection criteria.
  Cause:
  
  Unsupported Exclusion Parameter: The OData service you are trying to access does not support the use of exclusion parameters in the selection criteria. This can happen if the service is not designed to handle such parameters or if the specific entity set does not allow for exclusion filters.
  Incorrect OData Query: The query being sent to the OData service may be incorrectly formatted or may include parameters that are not valid for the specific service or entity.
  Version Mismatch: There may be a mismatch between the OData service version and the client application making the request, leading to unsupported features being used.
  
  Solution:
  
  Review OData Query: Check the OData query you are sending. Ensure that you are not including any exclusion parameters that are not supported by the service. Refer to the OData service documentation to understand the valid parameters.
  Modify Request: If you find that the exclusion parameter is indeed unsupported, modify your request to remove it or replace it with a supported parameter.
  Check Service Metadata: Use the service metadata (usually accessible via the $metadata endpoint) to understand the capabilities of the OData service and the parameters it supports.
  Consult Documentation: Review the SAP documentation for the specific OData service you are using to ensure you are using it correctly.
  Update or Patch: If you suspect that the issue is due to a bug or limitation in the version of the OData service you are using, check for any available updates or patches from SAP that may address this issue.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or fixes related to the specific OData service you are using.
  OData Documentation: Familiarize yourself with OData standards and how they are implemented in SAP IS-U.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging Tools: Use tools like SAP Gateway Client (transaction /IWFND/GW_CLIENT) to test your OData services and see the responses directly, which can help in troubleshooting.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.