How To Fix SRT_WSP144 - Cannot find unique inbound interface for &1:&2

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 144

• Message text: Cannot find unique inbound interface for &1:&2

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP144 - Cannot find unique inbound interface for &1:&2 ?

  The SAP error message SRT_WSP144 indicates that the system cannot find a unique inbound interface for the specified service. This typically occurs in the context of SAP Process Integration (PI) or SAP Process Orchestration (PO) when dealing with web services.
  Cause:
  
  Multiple Interfaces: The most common cause of this error is that there are multiple inbound interfaces defined for the same service or operation. The system is unable to determine which interface to use because it is not unique.
  Incorrect Configuration: There may be a misconfiguration in the service definitions or the service registry.
  Service Versioning: If there are multiple versions of the same service, the system may not be able to resolve which version to use.
  Namespace Issues: If the namespaces are not correctly defined or are conflicting, it can lead to ambiguity in identifying the correct interface.
  
  Solution:
  
  Check Service Definitions: Go to the Service Registry and check the inbound interfaces defined for the service. Ensure that there is only one unique inbound interface for the specified service and operation.
  Remove Duplicates: If you find multiple interfaces, you may need to remove or consolidate them to ensure that there is a unique mapping.
  Review Configuration: Check the configuration in the Integration Directory to ensure that the service is correctly configured and that there are no conflicting settings.
  Namespace Verification: Ensure that the namespaces used in the service definitions are unique and correctly defined.
  Testing: After making changes, test the service again to see if the error persists.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SOAMANAGER to manage web service configurations or SXMB_MONI to monitor message processing.
  Logs and Traces: Check the logs and traces in the SAP system for more detailed error messages that can provide additional context on the issue.
  Documentation: Refer to SAP documentation on web services and integration scenarios for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with an SAP PI/PO expert for further assistance.