SAP Message UMM_CUSTDATA010 - Cockpit '&1' or one of its subobjects is locked by &2

Diagnosis You have attempted to open Cockpit "&V1&". This object (or one of itssubobjects) is currently being processed by user "&V2&" and is,therefore locked for other users. System Response The object remains locked exclusively for user "&V2&" until this userfinishes processing. Procedure Try to open the Cockpit later or contact the current user "&V2&".