How To Fix TN138 - Queue is not empty

TN138 - Overview

• 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.

TN138 - Details

• 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