Saved games not restoring right

[jbastow]

I am playing as Germany on the Grand Campaign (the one where you place your armor on the first turn).
I saved the game after turn 7. When I now restore that game, I end up with negative production because my force size thresholds all changed.
Suddenly I am now level 4 and paying much more per unit for maintenance.
Is there any way to fix this? I am playing version 1.06 on Steam. Attached is my save game file.