Solution : https://service.sap.com/sap/support/notes/1312642 (SAP Service marketplace login required)
Key words :
time management explorer level action pane, terms duet time management, tima pane regions, recording summary region, object references provided, null pointer issues, null pointer error, tima regions grayed, tima code released, null pointer checks
Related Notes :
1330347 | Duet 1.5 SP1 Time Management Patch Information Note |