Revit 2012 - Masked region editing options disappear

[Mike Hardy-Brown]

I am not sure if anyone else had had the same thing happen.
In random situations the contextual tab for masked regions disappears
(Much like the "Group" contextual tab used to disappear in RVT 2010 before bug fixes)
This has happened on 2 machines at totally random times.
In some cases, synching with the central file solves the situation, in other cases only an exit and restart will fix it.
I have tried adding keyboard shortcuts (to trick RVT into thinking it can still complete the operation) but that does not work either.

[Mike Hardy-Brown]

Same thing yesterday, only happened on 1 machine (twice) during the day
This is the image showing no contextual/modify tab while in editing mode.

also, I have copied the command from the journal file. which all looks normal except for <<Begin update dbar>>: not sure what that is?

Jrn.MouseMove 0 , 1146 , 243
'E 27-Apr-2011 16:00:50.994; 0:<
Jrn.Command "Internal" , "Create a masking region , ID_MASKING_REGION"
' 0.742804 2:<<;PERF;MISC;regenerating
'H 27-Apr-2011 16:00:51.829; 1:<
Jrn.Data "Transaction Successful" _
, "Masking Region"
'C 27-Apr-2011 16:00:51.999; 0:< idle0_doc
' 0:< <<Begin update dbar>>

[Jun Austria]

I also encounter this problem. But with the wall. The "Edit Profile" icon gone missing after selecting a wall.
I just close and restart the program. And its back again.

[Mike Hardy-Brown]

Did you notice anything different in the Journal file ?

[Jun Austria]

Did you notice anything different in the Journal file ?

Sorry, I didnt get to check that file when it happened last monday. So far, it only happened once.