February Freezers sign-up

This is the sign-up for the February Freezer 1

Fatal error: Uncaught Error: Call to undefined function mysql_query() in /home/robe9517/public_html/php/signupfeb.php:65 Stack trace: #0 {main} thrown in /home/robe9517/public_html/php/signupfeb.php on line 65