Hi,I'm new on this forum, than you should forgive my errors My problem is that: When I open custom gui, I have crash and cast exception, but i don't know where. This is log: http://pastebin.com/CnNmjFj8 GuiHandler code: http://pastebin.com/B4DLbx0k TileEntityGenerator code: http://pastebin.com/XneBdLry BlockGenerator code: http://pastebin.com/WYh2DyGS ContainerGenerator code: http://pastebin.com/fSdVj5Hv GuiGenerator code: http://pastebin.com/vMEYJ9nF Thank you for all help! P.S. Sorry for my bad English