Fatal error: Uncaught Error: Call to a member function add_to_cart() on null in /var/www/www.uzshop.de/web/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php:842
Stack trace:
#0 /var/www/www.uzshop.de/web/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(814): WC_Form_Handler::add_to_cart_handler_simple(165761)
#1 /var/www/www.uzshop.de/web/wp-includes/class-wp-hook.php(324): WC_Form_Handler::add_to_cart_action('')
#2 /var/www/www.uzshop.de/web/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#3 /var/www/www.uzshop.de/web/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /var/www/www.uzshop.de/web/wp-settings.php(665): do_action('wp_loaded')
#5 /var/www/www.uzshop.de/web/wp-config.php(66): require_once('/var/www/www.uz...')
#6 /var/www/www.uzshop.de/web/wp-load.php(50): require_once('/var/www/www.uz...')
#7 /var/www/www.uzshop.de/web/wp-blog-header.php(13): require_once('/var/www/www.uz...')
#8 /var/www/www.uzshop.de/web/index.php(17): require('/var/www/www.uz. in /var/www/www.uzshop.de/web/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php on line 842