Problem with export .md5mesh and .md5anim

Hi, i’m new with Blender.
I made a human model and an animation.
Now i want to export in .md5mesh and .md5anim. I installed the addons to export/import.
The problem is : when i try to export the model, this error appears : no armature-deformed meshes are selected . i solved the last problem that concerned the connection with a single “bone”.
It’s all day that i try to fix it, but nothing.
I hope that you can help me.

this is my file blend.esame.blend (937.1 KB)