Here I have the before and after saves when abou to invade the Dregin homeworld, notice how it has the +700% manu bonus tile, then once invaded with information warfare it dissapears.
Before: http://www.uploading.com/files/7DJX43IQ/Bug_Before_save.sav.html
After: http://www.uploading.com/files/OFJHC7RW/Bug_After_save.sav.html
Also the Dregin didn't ahve much in the way of any engines on their ships, is this the way it was intended? Also they had a stack of a ton of thier corvettes not grouped togethers.