[California]

pawn Код:

new RegBox[64], name[MAX_PLAYER_NAME];
format(RegBox, sizeof(RegBox), "You account is registered!\n\n{000080}Account: %s\n{FFFFFF}Password: %s",name,inputtext);
ShowPlayerDialog(playerid, Login, DIALOG_STYLE_MSGBOX, "Your Stats!", string, "Ok", "Cancel");

Never, and I mean NEVER use 512 cells in a single string that would only need about 64, unless it's a really large string your formatting, and you got the new color embedding system all wrong.