Railcraft coke oven's GUI not working

[himynamesjamie]

Title: Railcraft coke oven's GUI not working

Version: 3.1.2

OS: win7

Java Version: 6

Description of Problem:

when i open the GUI on the coke oven im unable to place any coal in the slot. this happens both in multiplayer and single player.

when hovering over the area i notice this little box highlights

nothing can be dropped in this box either..any ideas? my friend has the same problem too so its not just me

Error Messages:

Error Log:

[Plonsky24]

There is a new type of coke oven that os like the one on technic. To fix it delete the texture for the coke oven on your texture pack. HOPE IT HELPS!!