Fatal error: Uncaught Error: Call to a member function get_cart() on null in /home/amscom/domains/amber-us.com/public_html/wp-content/plugins/dynamic-pricing-and-discounts-for-woocommerce-basic-version/public/new_calculation_handler.php:79 Stack trace: #0 /home/amscom/domains/amber-us.com/public_html/wp-content/plugins/dynamic-pricing-and-discounts-for-woocommerce-basic-version/public/class-xa-dynamic-pricing-plugin-public.php(39): XA_NewCalculationHandler->__construct() #1 /home/amscom/domains/amber-us.com/public_html/wp-includes/class-wp-hook.php(286): xa_init_calculator('') #2 /home/amscom/domains/amber-us.com/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #3 /home/amscom/domains/amber-us.com/public_html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #4 /home/amscom/domains/amber-us.com/public_html/wp-settings.php(488): do_action('wp_loaded') #5 /home/amscom/domains/amber-us.com/public_html/wp-config.php(89): require_once('/home/amscom/do...') #6 /home/amscom/domains/amber-u in /home/amscom/domains/amber-us.com/public_html/wp-content/plugins/dynamic-pricing-and-discounts-for-woocommerce-basic-version/public/new_calculation_handler.php on line 79