WHY DO I SEE A MESSAGE FROM STEAM ABOUT A CLOUD SYNC CONFLICT WHEN I LAUNCH A GAME?

WHY DO I  SEE A MESSAGE FROM STEAM ABOUT A CLOUD  SYNC CONFLICT WHEN I LAUNCH A GAME?

You may see this message from time to time because cloud syncs were not properly synced during your last game session. We recommend selecting the most recent available saved game when this occurs.