How To Fix /OSP/A_MSG143 - Logical port for proxy class &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /OSP/A_MSG -

• Message number: 143

• Message text: Logical port for proxy class &1 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /OSP/A_MSG143 - Logical port for proxy class &1 does not exist ?

  The SAP error message /OSP/A_MSG143 Logical port for proxy class &1 does not exist typically indicates that there is an issue with the configuration of the logical port for a proxy class in SAP. This error can occur in scenarios where you are trying to use a web service or an SAP proxy and the system cannot find the corresponding logical port.
  Cause:
  
  Missing Logical Port: The logical port for the specified proxy class has not been created or is missing.
  Incorrect Configuration: The logical port may exist but is not configured correctly.
  Transport Issues: If the proxy class was transported from another system, the logical port may not have been transported or created in the target system.
  Authorization Issues: The user may not have the necessary authorizations to access the logical port.
  
  Solution:
  
  
  Create or Check Logical Port:
  
  Go to transaction SOAMANAGER.
  Navigate to the "Web Service Configuration" section.
  Check if the logical port for the specified proxy class exists. If it does not, create a new logical port.
  If it exists, ensure that it is correctly configured (e.g., endpoint URL, authentication settings).
  
  
  
  Verify Proxy Class:
  
  Ensure that the proxy class is correctly defined and activated in the system.
  Check the relevant namespaces and ensure that they are correctly set up.
  
  
  
  Transport Configuration:
  
  If the proxy class was transported, ensure that the logical port was also transported or manually created in the target system.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the logical port and the associated web service.
  
  
  
  Testing:
  
  After creating or correcting the logical port, test the connection to ensure that the error is resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations and logical ports.
  SPRO: For accessing the SAP Reference IMG, where you can find additional configuration settings.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring logical ports and web services.
  
  
  Logs and Traces: Check the application logs (transaction SLG1) and the system logs (transaction SM21) for any additional error messages that may provide more context.
  
  
  By following these steps, you should be able to resolve the error message regarding the missing logical port for the specified proxy class.