How To Fix SXMSF149 - The predecessor message was passed to the external application

SAP Error Message - Details

• Message type: E = Error

• Message class: SXMSF -

• Message number: 149

• Message text: The predecessor message was passed to the external application

What causes this issue?

The preceding message caused an error in the application. The
application has taken on the troubleshooting. You have deleted the stop
entry that stopped the processing of the following messages to ensure
the correct serialization in the EOIO queue.

System Response

The system has recognized this status and set the queue to SYSFAIL.

How to fix this error?

Wait until the application has resolved the error situation and then
re-start the queue/message.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SXMSF149 - The predecessor message was passed to the external application ?

  The SAP error message SXMSF149 indicates that a predecessor message was passed to an external application, which typically occurs in the context of SAP's Exchange Infrastructure (XI) or Process Integration (PI). This error can arise when there is an issue with message processing, particularly when messages are being sent to or received from external systems.
  Cause:
  
  Message Processing Issues: The predecessor message may not have been processed correctly, leading to issues in the message flow.
  Communication Problems: There could be network issues or problems with the connection to the external application.
  Configuration Errors: Incorrect configuration in the integration settings, such as incorrect endpoint URLs or authentication issues.
  Message Format Issues: The message format may not be compatible with the external application, leading to failures in processing.
  Timeouts: The message may have timed out while waiting for a response from the external application.
  
  Solution:
  
  Check Message Logs: Review the message logs in the SAP PI/XI system to identify any errors or warnings related to the predecessor message.
  Verify Configuration: Ensure that the configuration settings for the communication channel, receiver determination, and interface mapping are correct.
  Test Connectivity: Use tools like the SAP PI/XI communication channel monitoring to test the connectivity to the external application.
  Check for Errors in the External Application: Investigate the external application for any errors or issues that may have occurred during message processing.
  Adjust Timeout Settings: If timeouts are an issue, consider adjusting the timeout settings in the communication channel configuration.
  Message Format Validation: Ensure that the message being sent is in the correct format expected by the external application.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the specific error message for any patches or updates that may address the issue.
  Monitoring Tools: Utilize SAP's monitoring tools (like Runtime Workbench) to track message processing and identify bottlenecks or failures.
  Documentation: Refer to SAP documentation for guidelines on configuring and troubleshooting SAP PI/XI scenarios.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to diagnose and resolve the SXMSF149 error effectively.