Message SAP XT208 - Import queue &1 locked by user &2 in system &3

Diagnosis
Import queue &1 is locked by user &2 in system &3.

System Response
The function terminates.

Procedure
If you are sure that this user is not working on the import queue, youcan unlock it as follows:
Confirm the error message in the import queue and lift the lock in thenext screen.
If the error is in the TMS worklist, you can use the import queue tolift the lock:
Call Transaction STMS.
Choose Overview -> Imports. The import overview appears.
Position the cursor on system &V1&.
Choose Import queue -> Display. The import queue of thissystem appears.
Choose Queue -> Adjust. The same error message appears.Confirm it. The following dialog box asks you whether you want to liftthe lock.
Return to the TMS worklist and continue processing the transportproposals.