#6 Unknown database failure

[Anonymous]

I am getting this error and i have tried evrything i
know of but it still isnt working.

Warning: Supplied argument is not a valid MySQL result
resource
in /home/logan/public_html/authlib/backend.php on line
98

Warning: Supplied argument is not a valid MySQL result
resource
in /home/logan/public_html/authlib/backend.php on line
109

Error : Unknown database failure, please try later.

I saw that someone else was experiencing the same
thing. Can you please tell me what i am doing wrong
and how to fix it, cause im a bit new to this stuff.
here is the page http://www.gaming-
direct.com/authlib/register.html