How To Fix ISU_UMC_ODATA122 - Selection parameter &1 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: 122

• Message text: Selection parameter &1 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_ODATA122 - Selection parameter &1 is not supported ?

  The SAP error message ISU_UMC_ODATA122 with the description "Selection parameter &1 is not supported" typically occurs in the context of OData services in SAP IS-U (Utilities) when a selection parameter that is not recognized or supported by the OData service is used in a request.
  Cause:
  
  Unsupported Parameter: The error is triggered when a client application sends a request to the OData service with a selection parameter that the service does not recognize or support.
  Incorrect OData Query: The query might be incorrectly formed, or it may include parameters that are not defined in the OData service metadata.
  Version Mismatch: There may be a mismatch between the OData service version and the client application, leading to unsupported parameters being used.
  Service Configuration: The OData service may not be properly configured to handle certain parameters.
  
  Solution:
  
  Check OData Service Metadata: Review the metadata of the OData service to ensure that the selection parameters being used in the request are valid and supported. You can access the metadata by appending $metadata to the service URL.
  Correct the Request: Modify the request to remove or correct the unsupported selection parameters. Ensure that only valid parameters are included in the query.
  Consult Documentation: Refer to the official SAP documentation for the specific OData service you are using to understand the supported parameters and their usage.
  Update Client Application: If the client application is outdated, consider updating it to ensure compatibility with the OData service.
  Service Configuration: If you have access to the backend, check the configuration of the OData service in the SAP system to ensure it is set up correctly to handle the expected parameters.
  
  Related Information:
  
  OData Protocol: Understanding the OData protocol and how it works can help in troubleshooting issues related to service requests.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific OData service you are using.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes (like /IWFND/MAINT_SERVICE for OData service maintenance) to manage and troubleshoot OData services in SAP.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.