How To Fix SIW344 - Service operation name &2 is wrong for operation code &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SIW - Service Implementation Workbench

• Message number: 344

• Message text: Service operation name &2 is wrong for operation code &1

What causes this issue?

For the given access mode &1, the service operation name is not
following the guidelines for SAP transaction communication patterns.

System Response

Subsequent generation steps are blocked unless the service operation
name is adapted.

How to fix this error?

Adapt the service operation name so that ends with end with
'QueryResponse_In', or adapt the access mode if it is wrong.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIW344 - Service operation name &2 is wrong for operation code &1 ?

  The SAP error message SIW344 indicates that there is an issue with a service operation in the context of SAP's Integration Framework or Service Interface. The message typically means that the operation code provided does not match any valid operation for the specified service operation name.
  Cause:
  
  Invalid Operation Code: The operation code (&1) provided in the request does not correspond to any defined operation for the service operation name (&2).
  Configuration Issues: There may be a misconfiguration in the service interface or the service operation itself.
  Typographical Errors: There could be a typo in the operation code or service operation name.
  Version Mismatch: The service operation might have been updated or changed, and the client is still using an outdated operation code.
  
  Solution:
  
  Verify Operation Code: Check the operation code being used in the request. Ensure that it is correct and matches the expected values defined in the service interface.
  Check Service Operation Configuration: Review the configuration of the service operation in the SAP system. Ensure that the operation code is correctly defined and active.
  Consult Documentation: Refer to the relevant SAP documentation or service interface specifications to confirm the valid operation codes for the specified service operation.
  Update Client Code: If the operation code has changed due to an update in the service interface, update the client code to use the new operation code.
  Testing: After making changes, test the service operation again to ensure that the error is resolved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Use transaction codes like SOAMANAGER to manage service interfaces and check their configurations.
  Logs and Traces: Review application logs and traces for more detailed error messages that might provide additional context for the issue.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the SIW344 error and implement a solution.