eroare client la negot

Cand fac negot imi apar urmatoarele erori in syserr client :

0515 15:17:31247 :: File "game.py", line 1269, in StartExchange

0515 15:17:31262 :: File "interfaceModule.py", line 745, in StartExchange

0515 15:17:31272 :: File "uiExchange.py", line 104, in OpenDialog

0515 15:17:04884 :: File "ui.py", line 2725, in GetChild

0515 15:17:04898 :: KeyError
0515 15:17:04898 :: :
0515 15:17:04898 :: 'level'
0515 15:17:04898 ::

0515 15:17:04900 :: Traceback (most recent call last):

0515...

eroare client la negot