My Character is crashing the game

Hello There, for some strange reason when i log in with my main character the game crash

Character name : EyeOfLucifer

How the problem started : i was questing in netherwing and when i accepted the dust quest the game crash... i can log in with my other character but i cant with my main... i try using unstuck it didn't help

here is some screenshots

https://puu.sh/C8OM3/c780c203ef.png

https://puu.sh/C8OOe/e9553459ea.png


Thanks please fix it,

a quest with a timer? then you need to disable questhelper Addon to avoid crash.

That addon will always make your client crash whenever you start a quest with a timer