Help Erro DC

[MORTE 76]

0810 18:58:48260 :: Traceback (most recent call last):

0810 18:58:48260 ::   File "game.py", line 1322, in OnMouseLeftButtonUp

0810 18:58:48261 :: AttributeError
0810 18:58:48261 :: : 
0810 18:58:48261 :: 'NoneType' object has no attribute 'BUILD_OnMouseLeftButtonUp'
0810 18:58:48261 :: 

Sometimes when running out with open warehouse the character is disconnected and this error appeared in the client's syserr.txt, does anyone have any idea what it might be? Thanks in advance for your attention!

[Den 46]

 File "game.py", line 1322, in OnMouseLeftButtonUp

Show your whole game.py or at least this function (OnMouseLeftButtonUp).