I create forces team1,team2 and moved yourself to team1.
Then I build a rocket silo and before launching the rocket, i unified the team1 with the team2.
The problem was that the rocket still thinks it's on the nonexistent force, as the code for setting force on a rocket was buggy.
I've fixed that now for 0.16.37, so the corruption won't happen again, but maps that are already corrupted will still fail to load.
I've manually fixed your save however, and attached it to this post.
Thanks for the report!