This is what I have around the point of the crash...
Debug Message: Diplomacy State Changed. [PlayerID 18, PlayerID 8, Foreign -> Enemy]
Debug Message: Diplomacy State Changed. [PlayerID 18, PlayerID 10, Foreign -> Enemy]
Debug Message: Diplomacy State Changed. [PlayerID 18, PlayerID 12, Foreign -> Enemy]
Debug Message: Diplomacy State Changed. [PlayerID 18, PlayerID 14, Foreign -> Enemy]
Debug Message: Diplomacy State Changed. [PlayerID 18, PlayerID 16, Foreign -> Enemy]
Debug Message: No files found matching mask C:\Users\***\Documents\My Games\GalCiv3\Designs\*.component
Debug Message: Dumping Stack Trace: SymInit: Symbol-SearchPath: '.;C:\Program Files (x86)\Steam\steamapps\common\Galactic Civilizations III;C:\Program Files (x86)\Steam\steamapps\common\Galactic Civilizations III;C:\Windows;C:\Windows\system32;SRV*C:\websymbols*http://msdl.microsoft.com/download/symbols;', symOptions: 530, UserName: '***'
Above these lines, I assume, is where you have the message about the mod and ideology.