Stuck at loading screen

well the server just loaded back up i decided to hop on my rogue so i go on it que for a dungeon it pops up in 5 minutes now we get passed a tiny bit of it then for some reason everyone was running out of the dungeon next minute i start running back and all the monsters we just killed respawned and killed me so i start walking back to the dungeon and i get in there and it just didnt load it was stuck at the end loading bit and then i logged on my other lvl 71 account and told one of my guild masters wat happened he told me to just log off and try again so i did and now i cant even load up my lvl 71 account