it says something about ac:item_item is no longer in this world do u still want to play?
then after clicking yes this happens
http://pastebin.com/5GVJGMwa

Don't use 1.0.0 on old world, create a new one. Because internally lots of things have changed in new version, no backward compatibility is guaranteed.

ah oki ...woud of been a good warning to add when u start up the game or something :P oki wont be updating the mod for a long time then thx for the info ^_^