ON MY SITE PEOPLE CAN FILL OUT THE SIGN UP OR JOIN PAGE, ONCE THEY CLICK JOIN THE PAGE GOES TO ERROR AND BELOW IS WHAT I GET :

Fatal error: Cannot redeclare mailing() (previously declared in /home/ejasonco/public_html/include/functions.php:25) in /home/ejasonco/public_html/include/function.php on line 0

THE SERVER TECHS TOLD ME : This is an error with the script declaring a function twice.

CAN ANYBODY PLEASE HELP ME FIX THIS OR TELL ME WHAT TO DO ..

THANKS