How To Fix TK057 - Source client can only be modified in the logon client

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 057

• Message text: Source client can only be modified in the logon client

What causes this issue?

Request/task &V1& cannot be assigned to client &V2& because client &V2&
is not the logon client.

System Response

The function terminates.

How to fix this error?

Select a task/request assigned to your logon client for the function.
If you still want to use request/task &V1&, then select it in the
request overview of the Transport Organizer and choose <LS>Request
header</>. A dialog box appears on which you have to confirm that you
want to copy the request into the client.
<ZH>Caution:</>
No part of the request may contain client-specific objects.

Error message extract from SAP system. Copyright SAP SE.