How To Fix TK645 - User & is not authorized to change the owner

TK645 - Overview

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 645

• Message text: User & is not authorized to change the owner

What causes this issue?

User &V1& is not authorized to change the owner of requests or tasks of
the selected type.

System Response

The user name was not changed.

How to fix this error?

Only users with the authorization S_CTS_PROJEC can change the owner of
requests.

Error message extract from SAP system. Copyright SAP SE.

TK645 - Details

• The SAP error message TK645 indicates that a user is attempting to change the owner of a transport request but does not have the necessary authorization to perform this action. This is a common issue in SAP systems where transport requests are managed, and it typically arises due to authorization restrictions set in the system.
  
  Cause:
  
  Authorization Issues: The user does not have the required authorization object to change the owner of the transport request. This is often controlled by the authorization object S_TRANSPRT, which governs transport-related activities.
  Role Configuration: The user's role may not include the necessary permissions to change the owner of transport requests.
  Transport Request Status: The transport request may be in a status that does not allow changes to the owner (e.g., released or closed).
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after the error occurs to check which authorization is missing.
  Review the user's roles and authorizations to ensure they have