Drop dialog (delete item) bug

[Fakis 3]

hi, im using ENABLE_NEW_DROP_DIALOG aka destroy item system by owsap.

my only problem is with python. 

Traceback (most recent call last):
  File "game.py", line 1339, in OnMouseLeftButtonUp
    self.__PutItem(attachedType, attachedItemIndex, attachedItemSlotPos, attachedItemCount, self.PickingCharacterIndex)
  File "game.py", line 1381, in __PutItem
    self.__DropItem(attachedType, attachedItemIndex, attachedItemSlotPos, attachedItemCount)
  File "game.py", line 1435, in __DropItem
    itemDropQuestionDialog = uiCommon.QuestionDropDialog()
  File "uiCommon.py", line 344, in __init__
    self.__CreateDialog()
  File "uiCommon.py", line 355, in __CreateDialog
    self.acceptButton = self.GetChild("accept")
  File "ui.py", line 2885, in GetChild
    return self.ElementDictionary[name]
KeyError: 'accept'
Traceback (most recent call last):

game.py: https://pastebin.com/7r7fy89E

uicommon.py: https://pastebin.com/9pAYxRJD

how can i fix this?