Fatal error: Uncaught Error: Call to a member function get_stock_managed_by_id() on null in /home/editrica/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php:689 Stack trace: #0 /home/editrica/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1219): WC_Cart->get_cart_item_quantities() #1 /home/editrica/public_html/wp-content/plugins/woo-product-bundle/includes/class-woosb.php(1306): WC_Cart->add_to_cart(6329, 1, 0, Array, Array) #2 /home/editrica/public_html/wp-content/plugins/woo-product-bundle/includes/class-woosb.php(1225): WPCleverWoosb->add_to_cart_items(Array, '76938bb161f7705...', 6323, 1) #3 /home/editrica/public_html/wp-includes/class-wp-hook.php(324): WPCleverWoosb->add_to_cart('76938bb161f7705...', 6323, 1, 0, Array, Array) #4 /home/editrica/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #5 /home/editrica/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /home/editrica/public_html/wp-content/plugins/woocommerce/include in /home/editrica/public_html/wp-content/plugins/woocommerce/includes/class-wc-cart.php on line 689