How To Fix /IWFND/CM_IFL021 - Invalid request. No query name has been provided

SAP Error Message - Details

• Message type: E = Error

• Message class: /IWFND/CM_IFL -

• Message number: 021

• Message text: Invalid request. No query name has been provided

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /IWFND/CM_IFL021 - Invalid request. No query name has been provided ?

  The SAP error message /IWFND/CM_IFL021 Invalid request. No query name has been provided typically occurs in the context of SAP Gateway services, particularly when dealing with OData services. This error indicates that the request made to the OData service is missing a required query name, which is essential for the service to process the request correctly.
  Cause:
  
  Missing Query Name: The most common cause of this error is that the OData request does not include a query name. In OData, a query name is often part of the URL that specifies which entity or function to access.
  Incorrect URL: The URL used to call the OData service might be malformed or missing necessary parameters.
  Service Configuration Issues: There may be issues with the configuration of the OData service in the SAP Gateway, such as missing or incorrectly defined service operations.
  Authorization Issues: Sometimes, authorization issues can lead to the service not being able to process the request correctly, although this is less common for this specific error.
  
  Solution:
  
  
  Check the Request URL: Ensure that the URL you are using to call the OData service includes the correct query name. The URL should follow the OData conventions and include the necessary entity set or function name.
  
  Example of a correct URL: http://<host>:<port>/sap/opu/odata/sap/<service_name>/<entity_set_name>
  
  
  
  Review Service Definition: Go to the SAP Gateway Service Builder (transaction code SEGW) and check the service definition to ensure that the query names and entity sets are correctly defined.
  
  
  Test the Service: Use the SAP Gateway Client (transaction code /IWFND/GW_CLIENT) to test the OData service directly. This can help you identify if the issue is with the service itself or with how it is being called from the application.
  
  
  Check Service Activation: Ensure that the OData service is activated in the SAP Gateway. You can check this in the transaction /IWFND/MAINT_SERVICE.
  
  
  Review Authorization: If applicable, check the authorization roles assigned to the user making the request to ensure they have the necessary permissions to access the OData service.
  
  
  Debugging: If the issue persists, consider debugging the service implementation to see if there are any additional errors or exceptions being thrown that could provide more context.
  
  
  Related Information:
  
  SAP Gateway Documentation: Review the official SAP documentation on OData services and SAP Gateway for more details on how to structure requests and define services.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Transaction Codes:
  
  SEGW: Service Builder for OData services.
  /IWFND/MAINT_SERVICE: Manage OData services.
  /IWFND/GW_CLIENT: Test OData services.
  
  
  
  By following these steps, you should be able to identify and resolve the issue causing the /IWFND/CM_IFL021 Invalid request. No query name has been provided error.