Computer's Derrick won't move and deploy on oil

[anotherGoogleFan]

Hi I love your projects so much. It gives me a lot fun. Thank you so much. And, I found a bug while playing. I am playing with computers (me and 2 computers against other 3 computers) And starts with Derrick All computers' Derrick never move. None moves. It seems very strange. My game is steam's version