Vi, Xerath, Sion q wont work

If you're interrupted or killed while charging up Vi, Xerath, or Sion's Q and Zac's E it wont work if you try again

Just thought I'd share this piece of advice in case any one is stuck with it their next game.

If you encounter this bug enable quick cast on that ability, use it once, then take it off and it should work just fine or try to remap the ablity and use it once then change it back (I don't think this one works anymore but it's worth a shot) Theres also a more drastic way to fix it if they dont work, which is to close the game and rejoin it.

Hope this helps