How To Fix SRT_CORE303 - &1 is a Mapping LP. A Mapping LP is not a valid event subscriber.

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_CORE - Nachrichtenklasse für SOAP Runtime

• Message number: 303

• Message text: &1 is a Mapping LP. A Mapping LP is not a valid event subscriber.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_CORE303 - &1 is a Mapping LP. A Mapping LP is not a valid event subscriber. ?

  The SAP error message SRT_CORE303 indicates that there is an issue with a mapping logical port (LP) in the context of SAP's web services and integration scenarios. Specifically, the error states that the mapping logical port is not a valid event subscriber. This typically occurs in scenarios involving SAP Process Integration (PI) or SAP Process Orchestration (PO) when trying to configure or execute a web service that relies on a mapping logical port.
  Cause:
  
  Invalid Configuration: The mapping logical port may not be correctly configured or may not exist in the system.
  Incorrect Mapping: The mapping logical port might not be set up to handle the specific event or message type being processed.
  Missing or Incorrect Event Subscription: The event subscriber that is supposed to handle the incoming message may not be properly defined or may not match the expected criteria.
  Transport Issues: There could be issues with the transport layer that prevent the correct mapping from being applied.
  
  Solution:
  
  
  Check Logical Port Configuration:
  
  Go to the transaction SOAMANAGER in your SAP system.
  Navigate to the logical ports and verify that the mapping logical port is correctly configured.
  Ensure that the endpoint URL and other settings are correct.
  
  
  
  Validate Mapping:
  
  Ensure that the mapping logical port is associated with the correct service interface and that the mapping is correctly defined in the Integration Directory (if using PI/PO).
  Check the mapping configuration to ensure it is set up to handle the specific message type.
  
  
  
  Event Subscription:
  
  Verify that the event subscriber is correctly defined and is active.
  Ensure that the event subscription matches the expected criteria for the incoming messages.
  
  
  
  Testing:
  
  Test the web service call using tools like SOAP UI or Postman to ensure that the service is reachable and functioning as expected.
  Check the logs for any additional error messages that might provide more context.
  
  
  
  Consult Documentation:
  
  Review SAP documentation related to web services, logical ports, and event subscriptions for any additional configuration steps or requirements.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SOAMANAGER: For managing web service configurations and logical ports.
  SXMB_MONI: For monitoring messages in PI/PO.
  
  
  Integration Directory: If using PI/PO, ensure that the integration scenarios are correctly defined and that the mappings are properly set up.
  SAP Community: Consider searching or posting in the SAP Community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the issue related to the SRT_CORE303 error message.