No attribute error | Any suggestions?

[Ayro 0]

I got this error from - 

 does anyone know what the issue might be? 



0816 00:44:20358 :: Traceback (most recent call last): 0816 00:44:20358 :: File "game.py", line 794, in RefreshInventory 0816 00:44:20358 :: File "interfaceModule.py", line 584, in RefreshInventory 0816 00:44:20358 :: File "uiInventory.py", line 699, in RefreshItemSlot 0816 00:44:20358 :: File "uiInventory.py", line 661, in RefreshBagSlotWindow 0816 00:44:20358 :: File "uiInventory.py", line 590, in RefreshMarkSlots 0816 00:44:20358 :: File "ui.py", line 1792, in SetUsableSlotOnTopWnd 0816 00:44:20358 :: AttributeError 0816 00:44:20358 :: : 0816 00:44:20358 :: 'module' object has no attribute 'SetUsableSlotOnTopWnd' 0816 00:44:20358 :: 0816 00:44:20359 :: game.py(line:232) Open game.py(line:644) StartGame game.py(line:794) RefreshInventory interfaceModule.py(line:584) RefreshInventory uiInventory.py(line:699) RefreshItemSlot uiInventory.py(line:661) RefreshBagSlotWindow uiInventory.py(line:590) RefreshMarkSlots ui.py(line:1792) SetUsableSlotOnTopWnd GameWindow.Open - <type 'exceptions.AttributeError'>:'module' object has no attribute 'SetUsableSlotOnTopWnd' 0816 00:44:20359 :: ============================================================================================================ 0816 00:44:20359 :: Abort!!!!