Now if you’re one of the unlucky souls who happened to have saved next to a taxi in Lumiose City, then don’t despair. You don’t have start a new game and lose all your precious Pokemon X/Y saved data. There is an actual solution!
- Turn off your Nintendo 3DS completely.
- Remove SD card.
- Start your 3DS then turn it off.
- Place SD card again.
- Start 3DS and your game should be working again.
Just remember don’t save in areas like these :