Help !!

So i just spent the last 2 weeks getting x 4 big playlists together

All are running in key in alphabetical order & tempo from A onwards

For some reason i have just looked again now and Record Box has Muddled them all up & is not letting me move the tracks around in the play list  wtf !!!

Is this some setting i have nudged 

Any admin help would be appreciated before the weekend 

Thanks