How To Fix SRT_CORE269 - Message is not the first one in message queue

SAP Error Message - Details

• Message type: E = Error

• Message class: SRT_CORE - Nachrichtenklasse für SOAP Runtime

• Message number: 269

• Message text: Message is not the first one in message queue

What causes this issue?

Message is not the first one in message queue. Once all predecessor
messages are successfully finished, it will be processed automatically.

System Response

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

How to fix this error?

Check status of the first message in this queue by marking the message
entry and click "Related Messages", "Sequence Messages" to see all
messages of a sequence.
Pay attention that when clicking "Sequence Messages" all messages
(including finished messages) of a sequence will be shown. Contrary to
this, when looking at the bgRFC Monitor you only see all incomplete
processing messages.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SRT_CORE269 - Message is not the first one in message queue ?

  The SAP error message SRT_CORE269 ("Message is not the first one in message queue") typically occurs in the context of SAP's web services and the SAP Process Integration (PI) or Process Orchestration (PO) environments. This error indicates that there is an issue with the order of messages being processed in the message queue.
  Cause:
  
  Message Queue Order: The error suggests that the message being processed is not the first message in the queue. This can happen if there are multiple messages queued for processing, and the system is trying to process a message that is not at the front of the queue.
  Concurrency Issues: If multiple threads or processes are trying to access the same message queue, it can lead to situations where a message is attempted to be processed out of order.
  Configuration Issues: Incorrect configuration of the message processing settings in SAP PI/PO can also lead to this error.
  Network Issues: If there are network delays or interruptions, it may cause messages to be processed in an unexpected order.
  
  Solution:
  
  Check Message Queue: Review the message queue to identify the order of messages. Ensure that the message you are trying to process is indeed the first one in the queue.
  Reprocess Messages: If possible, reprocess the messages in the correct order. You may need to manually intervene to ensure that messages are processed sequentially.
  Adjust Configuration: Review and adjust the configuration settings related to message processing in SAP PI/PO. Ensure that the settings are optimized for your specific use case.
  Monitor for Concurrency Issues: If you suspect concurrency issues, consider implementing locking mechanisms or adjusting the number of concurrent processes that can access the message queue.
  Check for Updates: Ensure that your SAP system is up to date with the latest patches and updates, as this may resolve known issues related to message processing.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to SRT_CORE269 for any specific fixes or recommendations provided by SAP.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Logs and Traces: Review application logs and traces for additional context around the error. This can provide insights into what might be causing the issue.
  Documentation: Refer to SAP documentation on message processing in PI/PO for best practices and configuration guidelines.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.