log files

Hallo, new here to the forum, i'm Max from Rome. I'm an happy TH pilot, and have 70 mission goned like a charm. On sunday, flying over Tuscany, i left my H stand still to take some pics. After did this, I tilt the camera down, and starting a right pan rotation on the floor. Suddenly, my H start...

I thought I read that the log files were suppose to be deleted b4 doing the newest update. I tried doing a search for this and could not find that post. Don't know if I'm doing to many drugs or if this is what should be done. I did go to Yuneec's site and I didn't see any reference to this...