Just renamed a captured city, then opened an event notifier for another city, went to build a hut (city is Gyr), zoomed in, tried to place. Crashed. Files attached...
http://dl.dropbox.com/u/8733908/Elemental1_07-2010-09-04T14-35-18-593.zip
http://dl.dropbox.com/u/8733908/debugCTD107.err
http://dl.dropbox.com/u/8733908/DxDiag.txt