Hey Barbolani,
first up great mission playing this alot with my pals. Now to the point. I noticed since 1.0 (not sure here could be before), as soon as the player enters a Vehicle she is no longer able to place a mine/explosive with the ACE interaction any more. To be complete you can't do any thing that needs the left mouse button to be pressed.
This is on a dedicated server using CBA,ACE and RHS: AFRF.
Can enter vehicles and use Menu still in any other scenario so it may be a problem there anyway I am open to a work around also.