How To Fix TN406 - Queue deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 406

• Message text: Queue deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TN406 - Queue deleted ?

  The SAP error message TN406 "Queue deleted" typically occurs in the context of SAP's Application Link Enabling (ALE) or the process of message processing in the SAP system. This error indicates that a queue that was expected to be processed has been deleted, which can disrupt the communication between systems or the processing of messages.
  Causes:
  
  Manual Deletion: The queue may have been manually deleted by a user or administrator.
  System Configuration Changes: Changes in system configuration or settings that affect the queues can lead to this error.
  Transport Issues: If there are issues with the transport of messages between systems, it may result in queues being deleted.
  Queue Timeout: If a queue has not been processed within a certain timeframe, it may be automatically deleted by the system.
  Error in Message Processing: If there are errors in the message processing logic, it may lead to the deletion of the queue.
  
  Solutions:
  
  Check Queue Status: Use transaction code SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the queues. Look for any queues that are in error status or have been deleted.
  Recreate the Queue: If the queue has been deleted, you may need to recreate it. This can often be done by re-triggering the process that generates the queue.
  Review Logs: Check the application logs (transaction SLG1) for any related error messages that could provide more context on why the queue was deleted.
  System Configuration: Review any recent changes in system configuration that might have affected the queues. Ensure that the settings are correct and that there are no conflicts.
  Monitor Queue Processing: Implement monitoring for queue processing to catch issues early. This can help prevent queues from being deleted due to timeouts or errors.
  Consult Documentation: Refer to SAP documentation or support notes related to ALE and message processing for additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMQ1, SMQ2, SLG1, and SMD1 for monitoring and managing queues.
  SAP Notes: Check SAP Notes for any known issues or patches related to the TN406 error. SAP Support can provide specific guidance based on your system version and configuration.
  System Performance: Ensure that the system is performing optimally, as performance issues can lead to delays in message processing and potential queue deletions.
  
  If the issue persists after trying the above solutions, it may be necessary to engage SAP support for further assistance.