How To Fix SRT_WSP781 - Logical Port name not set or invalid (valid characters are: &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_WSP - Messages for SRT WSP

• Message number: 781

• Message text: Logical Port name not set or invalid (valid characters are: &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_WSP781 - Logical Port name not set or invalid (valid characters are: &1) ?

  The SAP error message SRT_WSP781 indicates that there is an issue with the logical port name in the context of web service communication. This error typically arises when the logical port name is either not set or contains invalid characters. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause
  
  Logical Port Not Set: The logical port name may not have been defined in the system.
  Invalid Characters: The logical port name may contain characters that are not allowed. The error message will specify valid characters, which usually include alphanumeric characters and certain special characters.
  Configuration Issues: There may be issues in the configuration of the web service or the logical port settings.
  
  Solution
  
  
  Check Logical Port Configuration:
  
  Go to the transaction SOAMANAGER in your SAP system.
  Navigate to the Web Service Configuration section.
  Check if the logical port is defined correctly. If it is not, create a new logical port or modify the existing one.
  
  
  
  Validate Logical Port Name:
  
  Ensure that the logical port name adheres to the naming conventions specified in the error message. Remove any invalid characters and ensure it is correctly formatted.
  
  
  
  Test the Web Service:
  
  After correcting the logical port name, test the web service to ensure that it is functioning correctly. You can use the Test Web Service functionality in SOAMANAGER.
  
  
  
  Check for Dependencies:
  
  Ensure that any dependent configurations (like service definitions, endpoint URLs, etc.) are also correctly set up.
  
  
  
  Review Documentation:
  
  Consult the SAP documentation or help resources for any additional guidelines on configuring logical ports and web services.
  
  
  
  Related Information
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations.
  SICF: For checking the HTTP services.
  
  
  
  SAP Notes: Look for relevant SAP Notes that may address specific issues related to logical ports and web services.
  
  
  Web Service Security: If you are using security features (like WS-Security), ensure that the logical port is configured to handle these settings correctly.
  
  
  Logs and Traces: Check the application logs (transaction SLG1) and traces for more detailed error messages that can provide additional context for troubleshooting.
  
  
  By following these steps, you should be able to resolve the SRT_WSP781 error and ensure that your logical port is correctly configured for web service communication in SAP.