How To Fix SRT_WSP189 - ESR channel not specified

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 189

• Message text: ESR channel not specified

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_WSP189 - ESR channel not specified ?

  The SAP error message SRT_WSP189 indicates that there is an issue with the Enterprise Services Repository (ESR) configuration, specifically that a channel has not been specified for the web service. This error typically occurs in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO) when trying to call a web service without a properly defined communication channel.
  Cause:
  
  Missing Channel Configuration: The most common cause of this error is that the communication channel required for the web service is not defined or is incorrectly configured in the Integration Directory.
  Incorrect Service Endpoint: The endpoint URL for the web service might be incorrect or not properly set up in the service definition.
  Service Not Activated: The service might not be activated in the ESR or the Integration Directory.
  Authorization Issues: There may be authorization issues preventing the system from accessing the required channel.
  
  Solution:
  
  
  Check Channel Configuration:
  
  Go to the Integration Directory in your SAP system.
  Verify that the communication channel for the web service is correctly defined and activated.
  Ensure that the channel is associated with the correct sender and receiver agreements.
  
  
  
  Verify Service Endpoint:
  
  Check the service endpoint URL in the ESR and ensure it is correctly configured.
  Make sure that the endpoint is reachable and that there are no network issues.
  
  
  
  Activate the Service:
  
  Ensure that the web service is activated in the ESR.
  If changes were made, re-activate the service to ensure that all configurations are up to date.
  
  
  
  Check Authorizations:
  
  Ensure that the user or service account being used has the necessary authorizations to access the communication channel and the web service.
  
  
  
  Review Logs:
  
  Check the logs in the SAP system for any additional error messages or warnings that might provide more context about the issue.
  
  
  
  Testing:
  
  After making the necessary changes, test the web service call again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Documentation: Refer to the official SAP documentation for guidance on configuring web services and communication channels in SAP PI/PO.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the SRT_WSP189 error and ensure that your web service is properly configured and operational.