So sorry for the late reply 🙁 I'm pretty sure it was coded with CCAPI 2.60, so make sure you have that version installed. I'll have GamePwnzer take a look as well because I'm without internet at the moment...
I already have CCAPI 2.60.. I can connect every tool but not this one and also i'm not the only one who has this problem. I tried putting CCAPI.dll in root folder and every place and nothing worked. Sent me Mafia2.ncl if you have it and that way this will work for me on netcheat