Gamemaster tool to have AI take one turn

In this game a player every other round is having an error. So far reverting a whole round has worked but seems like the problem pops up again.

Here is the screenshot of the error for clarity.
Valamas' Your Victory - Always War - Friendly Rules - DB Gold (e9113ead) - #28 by Khiliani

I wonder if a feature to temporarily have that player’s turn taken by the AI would be helpful?