How To Fix SRT_WSP377 - Error in assignment of LP '&1': &2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 377

• Message text: Error in assignment of LP '&1': &2&3&4

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP377 - Error in assignment of LP '&1': &2&3&4 ?

  The SAP error message SRT_WSP377 typically indicates an issue related to the assignment of a logical port (LP) in the context of SAP Web Services. This error can occur in various scenarios, particularly when dealing with web service configurations in SAP PI/PO or when consuming web services.
  Cause:
  The error message SRT_WSP377 Error in assignment of LP '&1': &2&3&4 generally points to one of the following issues:
  
  Incorrect Logical Port Configuration: The logical port may not be correctly configured, or the settings may be incomplete or incorrect.
  Missing or Incorrect Credentials: If the web service requires authentication, missing or incorrect credentials can lead to this error.
  Service Endpoint Issues: The endpoint URL specified in the logical port may be incorrect or unreachable.
  Transport Layer Issues: There may be issues with the transport layer (HTTP/SOAP) settings, such as SSL configuration problems.
  Authorization Issues: The user or service account may not have the necessary authorizations to access the web service.
  
  Solution:
  To resolve the SRT_WSP377 error, you can follow these steps:
  
  
  Check Logical Port Configuration:
  
  Go to transaction SOAMANAGER in your SAP system.
  Navigate to the "Web Service Configuration" section and check the logical port settings.
  Ensure that the logical port is correctly configured with the appropriate endpoint URL, authentication method, and any required parameters.
  
  
  
  Verify Credentials:
  
  If the web service requires authentication, ensure that the credentials (username/password) are correctly entered in the logical port configuration.
  Test the credentials separately if possible to ensure they are valid.
  
  
  
  Test the Endpoint:
  
  Use tools like Postman or SOAP UI to test the web service endpoint directly. This can help identify if the endpoint is reachable and functioning correctly.
  
  
  
  Check Transport Layer Settings:
  
  If using HTTPS, ensure that the SSL certificates are correctly installed and configured in the SAP system.
  Check the settings for the HTTP/SOAP communication in the logical port configuration.
  
  
  
  Review Authorizations:
  
  Ensure that the user or service account being used has the necessary authorizations to access the web service.
  Check the roles and authorizations assigned to the user in transaction PFCG.
  
  
  
  Check for Additional Logs:
  
  Review the application logs (transaction SLG1) for more detailed error messages that may provide additional context for the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations.
  SLG1: For viewing application logs.
  PFCG: For managing roles and authorizations.
  
  
  
  Documentation: Refer to SAP Help Portal for detailed documentation on configuring web services and troubleshooting common issues.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to the SRT_WSP377 error.
  
  
  By following these steps, you should be able to identify and resolve the underlying cause of the SRT_WSP377 error in your SAP environment.