Im crashing in dalaran legion area

I have been crashing outside of the dalaran area for about 4 hours now cant see guild chat can not click on anything without crashing again but all my other toons are just fine but i will keep crashing on other toons about every 10-20 mins on them as well scan and repair didnt work. reseting my computer nothing. i am getting no lag all of my add ons are turned off as well