How To Fix TK520 - &1 &2 has changed the source client from &3 to &4

TK520 - Overview

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 520

• Message text: &1 &2 has changed the source client from &3 to &4

What causes this issue?

The source client has been changed by user "&V2&".
Old source client: "&V3&"
New source client: "&V4&".

System Response

The changes were succesfully completed.

How to fix this error?

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 TK520 - &1 &2 has changed the source client from &3 to &4 ?

  The SAP error message TK520 indicates that a change has occurred in the source client of a transport request. Specifically, it means that the source client for a transport request has been modified from one client to another, which can lead to inconsistencies or issues during the transport process.
  
  Cause:
  The error typically arises in the following scenarios:
  
  Manual Changes: A user may have manually changed the source client of a transport request in the transport directory or during the transport process.
  Transport Management System (TMS) Configuration: Incorrect configuration in the TMS can lead to changes in the source client.
  System Copy or Client Copy: If a system copy or client copy was performed, it might inadvertently change the source client for existing transport requests.
  Transport Request Modifications: If a transport request is modified after it has been created, it may lead to this error if the source client is altered.
  
  
  Solution:
  To resolve the TK520 error, consider