I think you have warrock not good install onew
SORRY FOR MY BAD ENGLISH I AM DUTCH
yes you need reinstall warrock
sory for me englishe iam dutch to
Sometimes i will get Version errors if i dont have internet connection.
Try These 3 Options:
1.Check your internet connection.
2.Restart computer
3.Reinstall WarRock
get connection with internet and otherwise download+install warrock again
you need to re-install warrock