I'd say you have the wrong forum and direct you to
http://www.project1999.com/forums/forumdisplay.php?f=25, but they'd probably be just as confused as I am. Which registration are you referring to? The project1999.com forum registration? You could try reentering your email address here:
http://www.project1999.com/forums/login.php?do=lostpw