Nothing really wrong but like some already sead maby a form problem. Bowhunting being a physical sport things like shooting a little diffrent from day to day can happen things you eat or drink can play a roll from time to time like to much caffein? giving someone the jitters it does for me[:'(] or not getting enuff rest and couse things like punching the release or not being able to focus just right. all kind of crazy things can happen in order to make you shoot diffrent from one day to the next. making you think something is wrong with your equipment when its not.