How To Fix TK430 - Client &1 has status 'not modifiable'

SAP Error Message - Details

• Message type: E = Error

• Message class: TK - Transport Organizer

• Message number: 430

• Message text: Client &1 has status 'not modifiable'

What causes this issue?

The system administrator has set your logon client to the 'not
modifiable' status.
Client-specific objects can <ZH>not</> be changed in this client.

System Response

The function terminates.

How to fix this error?

Contact the system administrator.
For more information, see the <LS>SAP Library</> under <LS>Change and
Transport System</>.

Error message extract from SAP system. Copyright SAP SE.