I managed to get the ACWW map editor to work with my R4, but there allways has to be a problem, i have lots of friend codes and friends which i dont want to delete so i dont want to start on a fresh .sav file. i wont to open my current save file and edit like i was doing befor, because after a long play i went to open my .sav file and i get this message; ERROR: Bad checksum or mirror copy See the FAQ, run the game for a short time and backup again. Anyone know what this error means and how to get rid of it without deleting all my friends and having to get a new code thx edit: i dont know if this will be any help for you to help me but read the FAQ/tip section, http://www.aibohack.com/nds/ac_mapedit.htm
