Code:
Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in /var/www/clients/client1/web1/web/include/sanity.php on line 69
Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /var/www/clients/client1/web1/web/include/sanity.php on line 71
you have this on your sign up page