I took my mim dlx to rehearsal last night and noticed that when I hit the A and D strings, that Id get a nasty metallic clicking sound every time I plucked the strings, It did this in open positions as well as fretted positions on the neck. I dont think its the nut slots, because I get the noise when I fret just about anywhere on the neck. I even thought it was hitting the pickup but its not doing that. Any idea of what the heck is wrong? and more importantly how do i fix it.