You can delete the data files if you think the problem is in your data. First uninstall EDCE then delete the following directory %AppData%\LocalLow\KBSW. This is on a Windows computer. I can't tell you where those files would be on other types of computers. Reinstall EDCE and you should be fine from there.
AncientGuy
Recent community posts
What this is telling you is that the Player Type (Expanding AI, Enhanced AI, etc.) does not have a correctly matched script. Since you have a mismatch here, the computer will play at a Classic AI level. It doesn't mean that your opponents will play like dead bugs. Of course, you could argue that the Classic AI does play like dead bugs. :)
How many total players are you playing against when this happens? If there are too many players, the game will crash at some point. I can't tell you how many players are too many but I can tell you the problem never happens if I keep my computer player count to 5. I can tell you playing against 20 computer players is a guaranteed crash somewhere after about turn 100. This could also vary depending on your hardware. Hope this helps! GL