Problem When starting the game I get the following error message Game Data Incomplete Not all game data could be loaded. The save game references neighborhoods that have been uninstalled or otherwise are no longer available. If you continue, you will encounter missing data and may have unexpected results. If you save the game, there will be no way to recover the missing data. Cause This message usually occurs if the data from an expansion or game pack is no longer present in the game, mostly when you uninstall the packs and try to play a save game that was…
This error is most often caused by incompatible mods. It can also be a corrupt installation.