We record our sermons to our USB drive so we can upload it to our website. I was alerted of this problem from one of our sound techs who ran service last week. I checked it out during the week and couldn’t find anything wrong with it. Now this Sunday I ran the board and recorded the 1st service no problem. Muted everything and when I went to record 2nd service I wasn’t getting any levels for the USB mix. Before the 3rd service I reloaded the show and the USB mix worked fine. Is this just a computer glitch with in the board? or is it possible something else?