X1 Pro Channel Problem

hello,
I have been happily working on a project within Sonar X1, when I came back to it today and tried to modify the EQ of some tracks.
I noticed that the "Enabled" indicator was Off, (as well as showing the curves of the EQ as I last had it).

I attempted to enable the EQ, but that's when this weird message popped up. When I try to follow it's instructions, nothing happens.
 
 
I have found that by fully Cloning the track, I have normal control returned, and I am then able to modify the EQ as I desire.
I have to do this Cloning trick to all my tracks in order to get back the ability to alter the EQ within Pro Channel.
What's going on?!?!?!?
 
Thanks
Adrian.