How To Fix SRT_LPREG045 - No logical port '&1' exists for proxy class '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_LPREG - Logical Port Registry

• Message number: 045

• Message text: No logical port '&1' exists for proxy class '&2'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_LPREG045 - No logical port '&1' exists for proxy class '&2' ?

  The SAP error message SRT_LPREG045 indicates that there is no logical port defined for the specified proxy class in the SAP system. This error typically occurs when you are trying to call a web service or a proxy that requires a logical port configuration, but the system cannot find the necessary settings.
  Cause
  The error can be caused by several factors:
  
  Missing Logical Port: The logical port for the specified proxy class has not been created or is not activated.
  Incorrect Proxy Class: The proxy class name provided in the error message may be incorrect or not properly defined.
  Transport Issues: If the proxy class was recently transported from another system, the logical port may not have been transported or configured correctly.
  Authorization Issues: There may be authorization issues preventing access to the logical port.
  
  Solution
  To resolve the error, you can follow these steps:
  
  
  Check Logical Port Configuration:
  
  Go to transaction SOAMANAGER in the SAP GUI.
  Navigate to the Web Service Configuration section.
  Look for the logical port associated with the proxy class mentioned in the error message.
  If it does not exist, create a new logical port:
  
  Click on Create and fill in the necessary details (e.g., name, endpoint URL, etc.).
  Ensure that the logical port is correctly configured with the appropriate settings.
  
  
  
  
  
  Verify Proxy Class:
  
  Ensure that the proxy class name is correct. You can check the proxy class in transaction SE80 or SE37.
  Make sure that the proxy class is properly generated and activated.
  
  
  
  Transport Check:
  
  If the proxy class was transported, ensure that the logical port was also transported. You may need to manually create the logical port in the target system.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the logical port. Check the roles and authorizations assigned to the user.
  
  
  
  Testing:
  
  After creating or correcting the logical port, test the web service call again to see if the error persists.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SOAMANAGER: For managing web service configurations and logical ports.
  SE80: For checking and managing objects in the SAP repository.
  SE37: For function modules, which may be related to the proxy class.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on configuring logical ports and web services.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  
  
  By following these steps, you should be able to resolve the SRT_LPREG045 error and successfully configure the logical port for your proxy class.