How To Fix TN138 - Queue is not empty

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 138

• Message text: Queue is not empty

What causes this issue?

The queue is not empty.

System Response

A new queue cannot be calculated.

How to fix this error?

First apply the existing queue.
Repeat the action when the queue is empty.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TN138 - Queue is not empty ?

  The SAP error message TN138 "Queue is not empty" typically occurs in the context of SAP's transport management system (TMS) or when dealing with background jobs and queues. This error indicates that there are still entries in the transport queue that need to be processed, and the system is unable to proceed with the operation you are attempting.
  Causes:
  
  Pending Transport Requests: There are transport requests that have not been processed or released.
  Background Jobs: There may be background jobs that are still running or have not completed, which are holding up the queue.
  System Configuration Issues: Misconfigurations in the transport management system or issues with the transport directory can lead to this error.
  Locks: There may be locks on the transport requests or queues that prevent them from being processed.
  
  Solutions:
  
  
  Check Transport Requests:
  
  Use transaction code SE09 or SE10 to check for any transport requests that are in the "modifiable" or "released" state. Ensure that all requests are properly released and processed.
  
  
  
  Process Background Jobs:
  
  Check for any background jobs that may be holding up the queue. You can use transaction code SM37 to monitor and manage background jobs. Ensure that all relevant jobs have completed successfully.
  
  
  
  Clear the Queue:
  
  If you have the necessary authorizations, you can manually clear the queue. Use transaction code SMQ1 (for outbound queues) or SMQ2 (for inbound queues) to check the status of the queues and clear any entries if necessary.
  
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks that may be preventing the processing of the queue. If you find any locks that are no longer needed, you can delete them.
  
  
  
  Review Transport Directory:
  
  Ensure that the transport directory is correctly configured and accessible. Check the transport directory settings in transaction STMS.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address specific issues related to the TN138 error. You can search for notes in the SAP Support Portal.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE09 / SE10: Transport Organizer
  SMQ1 / SMQ2: Queue Monitoring
  SM37: Job Monitoring
  SM12: Lock Entries
  STMS: Transport Management System
  
  
  
  Documentation: Refer to SAP Help documentation for more detailed information on transport management and queue processing.
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.