How To Fix TN534 - Preconditions have changed; queue is inconsistent

TN534 - Overview

• Message type: E = Error

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

• Message number: 534

• Message text: Preconditions have changed; queue is inconsistent

What causes this issue?

The preconditions have changed considerably since the last time the
installation/upgrade queue was calculated. This queue is no longer
consistent.
Support Packages have probably been imported or the installation was
started or finished in another session (for example, by another user).

System Response

The system does not start the import of the existing
installation/upgrade queue. Processing is reset to the initial screen.

How to fix this error?

Check whether the installation or upgrade package that you want to
import can still be imported into your SAP system. Create a new queue if
necessary.

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 TN534 - Preconditions have changed; queue is inconsistent ?

  The SAP error message TN534, which states "Preconditions have changed; queue is inconsistent," typically occurs in the context of SAP's transport management system (TMS) or when dealing with background jobs and queues. This error indicates that the system has detected a change in the preconditions that were previously set for a transport request or a job, leading to an inconsistency in the queue.
  Causes:
  
  Changes in Dependencies: The objects or dependencies that a transport request relies on may have changed after the request was created.
  Manual Changes: Manual changes to the transport request or the objects involved can lead to inconsistencies.
  System Configuration Changes: Changes in system configuration or settings that affect the transport process can trigger this error.
  Transport Request Status: The status of the transport request may have changed unexpectedly, such as being released or imported into another system.
  Queue Management Issues: Problems with the transport queue management, such as jobs being canceled or