How To Fix SRT_WSP321 - No valid request name for operation: '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 321

• Message text: No valid request name for operation: '&1'

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 SRT_WSP321 - No valid request name for operation: '&1' ?

  The SAP error message SRT_WSP321 indicates that there is no valid request name for the specified operation in a web service context. This error typically occurs in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services.
  Cause:
  
  Invalid Operation Name: The operation name specified in the request does not match any of the defined operations in the web service interface.
  Configuration Issues: There may be issues with the configuration of the web service or the service interface in the SAP system.
  Service Definition: The service definition might not be properly set up or activated in the SAP system.
  Namespace Issues: The namespace used in the request might not match the expected namespace defined in the service interface.
  WSDL Issues: If the web service is based on a WSDL file, there may be discrepancies between the WSDL and the actual implementation.
  
  Solution:
  
  Check Operation Name: Verify that the operation name in the request matches exactly with the operation defined in the web service interface. Ensure there are no typos or case sensitivity issues.
  Review Service Configuration: Go to the SAP PI/PO configuration and check the service interface configuration. Ensure that the service is correctly defined and activated.
  Validate WSDL: If applicable, check the WSDL file for the web service to ensure that it is correctly defined and that the operation names are accurate.
  Namespace Verification: Ensure that the namespace in the request matches the namespace defined in the service interface. Adjust the request if necessary.
  Check Logs: Review the logs in the SAP system for any additional error messages or warnings that might provide more context about the issue.
  Testing Tools: Use tools like SOAP UI or Postman to test the web service independently. This can help isolate whether the issue is with the request or the service itself.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for web services and SAP PI/PO for best practices and configuration guidelines.
  Community Forums: Consider searching or posting in SAP community forums or SAP Community Network (SCN) for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the SRT_WSP321 error in your SAP environment.