How To Fix SRT_WSP966 - No LP exists for STS: &1&2. Create LP via MEX: &3&4 (OSS note 1319507)

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 966

• Message text: No LP exists for STS: &1&2. Create LP via MEX: &3&4 (OSS note 1319507)

What causes this issue?

No secure connection to the Security Token Service (STS) for this Web
Service consumer found.

System Response

The system can no create a Logical Port (LP) for the given proxy.

How to fix this error?

Before you continue trying to create Logical Ports for your proxy, using
the STS service, you first have to generate a LP for the consumer proxy
CO_WSSESECURITY_TOKEN_SERVICE using the Meta Data Exchange Protocol
(MEX).

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP966 - No LP exists for STS: &1&2. Create LP via MEX: &3&4 (OSS note 1319507) ?

  The SAP error message SRT_WSP966 indicates that there is no Logical Port (LP) configured for the specified Service Type (STS) in the context of SAP Web Services. This error typically arises when you are trying to call a web service, but the system cannot find the necessary configuration to route the request.
  Cause:
  The error occurs due to the following reasons:
  
  Missing Logical Port: The logical port for the specified service is not created or is not properly configured in the SAP system.
  Incorrect Service Configuration: The service might not be correctly set up in the Service Registry or the configuration might be incomplete.
  Transport Layer Issues: There may be issues with the transport layer settings that prevent the logical port from being recognized.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Create a Logical Port:
  
  Go to transaction SOAMANAGER in your SAP system.
  Navigate to the Web Service Configuration section.
  Find the service for which you are getting the error.
  Create a new logical port by selecting the service and clicking on the "Create" button.
  Fill in the required details such as the endpoint URL, authentication method, and any other necessary parameters.
  Save the configuration.
  
  
  
  Check Existing Logical Ports:
  
  In SOAMANAGER, check if there are any existing logical ports for the service.
  If a logical port exists but is not functioning, you may need to adjust its settings or create a new one.
  
  
  
  Review OSS Note 1319507:
  
  The error message references OSS note 1319507. Review this note for any specific instructions or additional information related to your issue.
  OSS notes often provide detailed troubleshooting steps or configuration guidelines.
  
  
  
  Test the Configuration:
  
  After creating or modifying the logical port, test the web service call again to ensure that the issue is resolved.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to access the web service and the logical port.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations and logical ports.
  SICF: For checking the Internet Communication Framework services.
  
  
  
  Web Service Configuration: Understanding how to configure web services in SAP is crucial. Familiarize yourself with the concepts of logical ports, service definitions, and endpoint configurations.
  
  
  SAP Community and Support: If the issue persists, consider reaching out to the SAP Community or SAP Support for further assistance.
  
  
  By following these steps, you should be able to resolve the SRT_WSP966 error and successfully configure the logical port for your web service.