Fatal error: Uncaught Error: Call to a member function is_type() on bool in /home/customer/www/u-seefoos.com/public_html/wp-content/plugins/booster-plus-for-woocommerce/includes/class-wcj-shipping-by-products.php:100 Stack trace: #0 /home/customer/www/u-seefoos.com/public_html/wp-content/plugins/booster-plus-for-woocommerce/includes/classes/class-wcj-module-shipping-by-condition.php(47): WCJ_Shipping_By_Products->check('products', Array, 'include', Array) #1 /home/customer/www/u-seefoos.com/public_html/wp-includes/class-wp-hook.php(292): WCJ_Module_Shipping_By_Condition->available_shipping_methods(Array, Array) #2 /home/customer/www/u-seefoos.com/public_html/wp-includes/plugin.php(212): WP_Hook->apply_filters(Array, Array) #3 /home/customer/www/u-seefoos.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(362): apply_filters('woocommerce_pac...', Array, Array) #4 /home/customer/www/u-seefoos.com/public_html/wp-content/plugins/woocommerce/includes/class-wc-shipping.php(260): WC_Shipping->calculate in /home/customer/www/u-seefoos.com/public_html/wp-content/plugins/booster-plus-for-woocommerce/includes/class-wcj-shipping-by-products.php on line 100