How To Fix ISU_UMC_ODATA120 - Operator &2 is not supported for the selection parameter &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 120

• Message text: Operator &2 is not supported for the selection parameter &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ISU_UMC_ODATA120 - Operator &2 is not supported for the selection parameter &1 ?

  The SAP error message ISU_UMC_ODATA120 indicates that there is an issue with the OData service related to the selection parameters being used in a query. Specifically, the error message states that the operator specified for a selection parameter is not supported.
  Cause:
  
  Unsupported Operator: The operator used in the OData query (e.g., eq, ne, gt, lt, etc.) is not supported for the specific selection parameter. This can happen if the OData service does not implement the operator for that field.
  Incorrect Parameter Usage: The selection parameter may not be correctly defined in the OData service metadata, or it may not be applicable for the data type of the field.
  Version Mismatch: There may be a mismatch between the OData service version and the client application making the request, leading to unsupported operations.
  
  Solution:
  
  Check OData Service Metadata: Review the metadata of the OData service to confirm which operators are supported for the selection parameters you are using. You can access the metadata by appending $metadata to the OData service URL.
  Modify the Query: Adjust the OData query to use only the supported operators for the selection parameters. For example, if the parameter only supports eq (equals), ensure that you are not using gt (greater than) or any other unsupported operator.
  Consult Documentation: Refer to the SAP documentation for the specific OData service you are using to understand the supported operations and parameters.
  Update OData Service: If you have control over the OData service, consider updating it to support the required operators if they are necessary for your application.
  Contact SAP Support: If the issue persists and you believe it is a bug or limitation in the OData service, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  OData Protocol: OData (Open Data Protocol) is a standard protocol for building and consuming RESTful APIs. Understanding the OData query options and operators is crucial for effective usage.
  SAP IS-U Module: The error is related to the SAP IS-U (Industry Solution for Utilities) module, which may have specific configurations and settings that affect OData services.
  Debugging Tools: Use tools like Postman or SAP Gateway Client to test OData queries and see the responses, which can help in identifying the exact cause of the error.
  
  By following these steps, you should be able to resolve the ISU_UMC_ODATA120 error and successfully execute your OData queries.