How To Fix /OSP/MSG474 - Default logical port for proxy class &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: /OSP/MSG -

• Message number: 474

• Message text: Default 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/MSG474 - Default logical port for proxy class &1 does not exist ?

  The SAP error message /OSP/MSG474 Default logical port for proxy class &1 does not exist typically indicates that there is a configuration issue related to the logical ports for a proxy class in SAP. This error usually arises when the system is trying to send or receive messages via a proxy, but it cannot find the necessary logical port configuration.
  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 correctly configured.
  Transport Issues: If the system has recently undergone a transport, the logical port may not have been transported correctly.
  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.
  Ensure that the logical port is correctly configured with the necessary endpoint and authentication details.
  
  
  
  Verify Proxy Class:
  
  Ensure that the proxy class specified in the error message is correctly defined and activated in the system.
  You can check this in transaction SPROXY.
  
  
  
  Transport Configuration:
  
  If the logical port was supposed to be transported from another system, ensure that the transport was successful and that the logical port exists in the target system.
  
  
  
  Authorization Check:
  
  Ensure that the user executing the operation has the necessary authorizations to access the logical port and the associated services.
  
  
  
  Testing:
  
  After creating or correcting the logical port, test the connection to ensure that the proxy can communicate as expected.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SOAMANAGER: For managing web service configurations and logical ports.
  SPROXY: For managing proxy objects and checking their status.
  
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on configuring logical ports and proxy classes.
  
  
  Logs and Traces: Check the application logs (transaction SLG1) and the communication logs for more detailed error messages that might provide additional context.
  
  
  By following these steps, you should be able to resolve the error message and ensure that the logical port for the proxy class is correctly configured.