How To Fix GW749 - Parameter not found

SAP Error Message - Details

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 749

• Message text: Parameter not found

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GW749 - Parameter not found ?

  The SAP error message GW749 ("Parameter not found") typically occurs in the context of SAP Gateway services, particularly when there is an issue with the parameters being passed to a service or when the service is not properly configured. Here are some common causes, solutions, and related information for this error:
  Causes:
  
  Missing Parameters: The error may arise if the required parameters for a particular OData service are not being sent in the request.
  Incorrect Parameter Names: If the parameter names in the request do not match the expected names defined in the service, this error can occur.
  Service Configuration Issues: The OData service may not be properly configured or activated in the SAP Gateway.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access certain parameters or services.
  Backend Issues: There may be issues in the backend system that prevent the service from retrieving the required parameters.
  
  Solutions:
  
  Check Parameter Names: Verify that the parameter names in your request match exactly with those defined in the OData service. Pay attention to case sensitivity.
  Review Service Metadata: Use the service's metadata (usually accessible via the $metadata endpoint) to confirm the expected parameters and their types.
  Activate/Regenerate Service: If the service is not activated, you can activate it in the SAP Gateway Service Builder (transaction code /IWFND/MAINT_SERVICE). If changes were made, regenerate the service.
  Check Authorization: Ensure that the user has the necessary authorizations to access the service and its parameters.
  Debugging: If you have access, use transaction code /IWFND/GW_CLIENT to test the service and see the exact request and response. This can help identify missing or incorrect parameters.
  Consult Logs: Check the SAP Gateway logs (transaction code /IWFND/ERROR_LOG) for more detailed error messages that can provide additional context.
  
  Related Information:
  
  SAP Gateway Documentation: Refer to the official SAP documentation for Gateway services to understand how to properly configure and use OData services.
  SAP Community: The SAP Community forums can be a valuable resource for troubleshooting specific issues, as other users may have encountered similar problems.
  Transaction Codes:
  
  /IWFND/MAINT_SERVICE: To manage OData services.
  /IWFND/GW_CLIENT: To test OData services.
  /IWFND/ERROR_LOG: To view error logs related to Gateway services.
  
  
  
  By following these steps, you should be able to diagnose and resolve the GW749 error in your SAP environment.