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

SXMSF149 - Overview

• 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.

SXMSF149 - Details

• 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