I wouldnt worry about it just yet. Try giving it a break for a couple of days and then see what happens, there are days now and then where I cant shoot as well as I know I can. We all have our days . I f you keep having trouble try paper tuning it and go from there.

Good Luck

"A archer sees how far away he can get and still hit the target while a hunter sees how close he can get before he shoots"