Fatal error: Call to a member function get_quantity() on a non-object in /home/jails/pumpkin/home/pumpkin/html/includes/cart_actions.php on line 491

Call Stack:
    0.0029     638312   1. {main}() /home/jails/pumpkin/home/pumpkin/html/index.php:0
    0.0031     639728   2. include('/home/jails/pumpkin/home/pumpkin/html/includes/application_top.php') /home/jails/pumpkin/home/pumpkin/html/index.php:27
    5.2183    2265368   3. require('/home/jails/pumpkin/home/pumpkin/html/includes/cart_actions.php') /home/jails/pumpkin/home/pumpkin/html/includes/application_top.php:430