[Help] Character Creation.

I need some help, I'm with a datapack glory of days "supposedly"

and when I create a character therefore selected the character you put the name and when you click on the button "Create" tab I opened the museum and not let me create the character.

to close the tab I have to go back and to the previous screen and only then I can close it.

Here I leave the 2 images.

I hope someone can help me with this problem.

http://img202.imageshack.us/img202/2354/error2zu.jpg[/img]