Game Data Incomplete

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 saved with those expansions.

It seems some data gets lost without you uninstalling something, though

Solution

  1. Close the game and do not save it.
  2. Repair the game through Origin.

Further Suggestions

 

Credits
maaikesww, egwarhammer, AnnLee87

Further Reading