I'm stuck !

Hello i'm french and my english is pathetic...
But I'm stuck in one place and I can not go... 
I'm stuck in the cave Quest Pit of the Dead, following this bug, I find myself under the ground ...
My pseudo in game is : Nelephant and my coordonné is : x :-2982     y :25    z :-4454



Please help me !

Nelephant

my picture : (https://cloud.githubusercontent.com/assets/8480745/3953044/fa00e4b8-26e7-11e4-8f7c-725b86c9abe5.png)