How To Fix TN407 - Queue could not be deleted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 407

• Message text: Queue could not be deleted

What causes this issue?

You cannot delete this queue since the import of objects has already
begun (step DDIC_IMPORT or IMPORT_PROPER), or the import of requests in
the queue has already been completed.
<ZH>Caution</>
Deleting the queue does not reverse an import of objects that has
already been completed.
If you import a modified queue, you could render your SAP System
inconsistent or even unusable.

System Response

The import queue is not deleted.

How to fix this error?

If you encounter an import problem, look for a forwards solution but do
not attempt to manipulate the import queue.
If necessary, contact SAP Support.

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 TN407 - Queue could not be deleted ?

  The SAP error message TN407, which states "Queue could not be deleted," typically occurs in the context of the SAP system's message processing and queuing mechanism, particularly when dealing with the Application Link Enabling (ALE) or the Business Application Programming Interface (BAPI) framework. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes of TN407 Error
  
  
  Active Queue Entries: The queue may have active entries that are preventing it from being deleted. If there are messages still being processed or in a pending state, the system will not allow the queue to be deleted.
  
  
  Queue Locking: The queue might be locked by another process or user, which can prevent deletion.
  
  
  Configuration Issues: There may be configuration issues in the ALE settings or the message type that is causing the queue to be in an inconsistent state.
  
  
  System Errors: There could be underlying system errors or inconsistencies in the database that are preventing the queue from being deleted.
  
  
  Authorization Issues: The user attempting to delete the queue may not have the necessary authorizations to perform this action.
  
  
  Solutions to TN407 Error
  
  
  Check Queue Status: Use transaction code SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the queue. Look for any messages that are still in the queue and resolve any issues with those messages.
  
  
  Delete Messages: If there are messages in the queue that are causing the issue, you may need to delete or process those messages before attempting to delete the queue again.
  
  
  Check Locks: Use transaction code SM12 to check for any locks on the queue. If you find locks that are preventing deletion, you may need to release them.
  
  
  Review Configuration: Check the ALE configuration settings to ensure that everything is set up correctly. This includes verifying the message types and distribution model.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to delete the queue. You may need to consult with your SAP security team to verify this.
  
  
  System Logs: Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the issue.
  
  
  Restart the Process: In some cases, restarting the relevant background jobs or processes may help resolve temporary issues.
  
  
  Consult SAP Notes: Look for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SMQ1, SMQ2, SM12, and SM21 for monitoring and troubleshooting queues and locks.
  SAP Documentation: Refer to the official SAP documentation for ALE and BAPI for more detailed information on message processing and queue management.
  SAP Community: Engage with the SAP Community forums for insights and solutions shared by other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP Basis team or SAP support for further investigation.