Hi
It's come to my attention that one of the variables wasn't declared properly.
Here is a fix for that.
https://drive.google.com/open?id=1_HUAT0Co-2jy02eFkZiF7OAG0-MeMQOo
Just drop it into your "game" folder. Overwrite when prompted. Everything should work fine now.
Sorry about that
Ptolemy