problems with Wine program at the witcher mac

[Daviven]

hello guys , i need a big help with a program problem when im playing the game.. at the chappter of Alina´s dead , well when i try to go to the twon ,appers a bug about to some problem in the wine program and after that the game shoutdown, so i cant move forware in the game. anybody has or had the same problem ?? how did you fixed ?? thankyou .