Fatal error: Uncaught Error: Call to undefined function wc_review_ratings_enabled() in /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-content/plugins/webappick-product-feed-for-woocommerce/includes/helper.php:3388 Stack trace: #0 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/class-wp-hook.php(298): woo_feed_product_structured_data('') #1 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/general-template.php(2589): do_action('wp_head') #4 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-content/themes/groove-juwe/header.php(11): wp_head() #5 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/template.php(688): require_once('/www/htdocs/w01...') #6 /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-includes/template.php(647): load_template('/www in /www/htdocs/w0154d63/waldlaeufer-outdoor-equip.de/wp-content/plugins/webappick-product-feed-for-woocommerce/includes/helper.php on line 3388