johncms 440 forum index problem

Whenever a user create new topic or new thread on my johncms 440, this is what i will get.
Warning: mysql_result(): supplied argument is not a valid MySQL result resource in/ home/u313864928/public_html/forum/index.php on line447

SOUTHT AFRICA AFCON KICK OFF TODAY

Warning: mysql_fetch_assoc(): supplied argument is not a valid MySQL result resource in/ home/u313864928/public_html/forum/index.php on line626

i can't create new topic. Plz help me out

here is my johncms440 forum/index.php pls, what could be wrong with it. I need help pls.

plz sombody should answer me. Help me out please

look lines