SAP Message RU468 - Confirmation procedure & is already active

Diagnosis
The confirmation process &V1& should be carried out for previouslymarked confirmations. However, this confirmation process was alreadystarted by another user.
The confirmation process &V1& can only be active once at once point intime.

System Response
The confirmation process &V1& is not carried out.

Procedure
Start the confirmation process &V1& again at a later time.