Yes!, But, no idea what.

I violated one of the rules of bow hunting...once your gear is set up and shooting well...DON'T MESS WITH IT!

Anyway, I went back to square one and found two problems, I had a very slight fletch contact that was new. I twisted my nocks a bit and removed that. Then, I paper tuned again and found I was fletch high and to the left. I lowered my nock point and moved my rest a little. I'm now back to a bullet hole, but ran out of time to group test.

We'll see...