Traktor crashing on start up

Hello i hope someone here can help , ive been using traktor for a fre months with no issues but last week i added another music folder to the dir and it seems it had too many tracks , i have removed from dir and cancelled all analysing jobs but now it just crashes upon start up amd i get this crash report , any help would be great , update , i cures the issue bu deleting the collection file , all working as normal now