How To Fix TK139 - Package cannot be changed from &3 to &4

TK139 - Overview

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 139

• Message text: Package cannot be changed from &3 to &4

What causes this issue?

Changing the package from &V3& to &V4& requires that the object be
assigned to a request with the appropriate request attribute.
The object involved is currently locked in request/task &V1& by user
&V2&. This request does not have the request attribute required for the
object.

System Response

The function terminates.

How to fix this error?

When request/task &V1& and possibly its superordinate request have been
released, the requested changes can be made.
<ZH>Caution</>
Changing the package fundamentally changes transport behaviour. The
possible consequences can be complex and should be considered
thoroughly.
We generally recommend that you do not change the package.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TK139 - Package cannot be changed from &3 to &4 ?

  The SAP error message TK139, which states "Package cannot be changed from &3 to &4," typically occurs when there is an attempt to change the package assignment of an object (like a program, function module, or class) in the SAP system. The error indicates that the object is currently assigned to a package (denoted by &3) and you are trying to change it to a different package (denoted by &4), but this operation is not allowed due to certain restrictions.
  Causes:
  
  Transport Layer Restrictions: The object may be part of a transport layer that does not allow changes to the package assignment.
  Object Type Restrictions: Certain object types have restrictions on changing their package assignments, especially if they are already included in a transport request.
  Development Class Lock: The package you are trying to change to may be locked or restricted for certain users or roles.
  Transport Request Status: If the object is already included