It's no error... It just informs you when someone reviews your map... :
If you reviewed your own map, it's made to make you feel bad for being such a poor misshapen, miserable, lousy, bad-looking creature, who deserves to be hung on a high-voltage electric pylon with a copper wire and...
gets hit with a brick and a duck at once and falls asleep ![:P](http://192.241.182.11/images/smilies/tongue.png)