XDJ RR DRASTIC Tempo Jumps

It is June 26 of 21' and ive had this XDJ RR for about 2.5 weeks now, everything started out fine, until maybe starting last week one tracks tempo would start at 130 then i notice something sounds like its speeding up, "maybe its a breakdown or build, its pry just the song" nope.  It has jumped to 160 down to 110 up to 129 all the while im trying to roll with it using "wide" %. I never use performance mode, this is all in standalone, and i never use the sync function. This issue is unpredictable but usually happens when ive been mixing for an hour, so i cant reproduce the problem to show you guys; i do have a clip from a stream i just did where you can hear the song go from "Arnold & Lane" to "DJ Hixxy" happy hardcore.  Im trying to register the xdj, but there is no 'my products" header, please help me diagnose and fix this.  Much respect.]