Fatal error: Uncaught Error: Call to undefined function Premmerce\SeoAddon\Frontend\is_product() in /web/htdocs/www.manufattincuoio.it/home/wp-content/plugins/woo-seo-addon/src/Frontend/Frontend.php:48 Stack trace: #0 /web/htdocs/www.manufattincuoio.it/home/wp-includes/class-wp-hook.php(286): Premmerce\SeoAddon\Frontend\Frontend->changeTypeToProduct('article') #1 /web/htdocs/www.manufattincuoio.it/home/wp-includes/plugin.php(208): WP_Hook->apply_filters('article', Array) #2 /web/htdocs/www.manufattincuoio.it/home/wp-content/plugins/wordpress-seo/frontend/class-opengraph.php(544): apply_filters('wpseo_opengraph...', 'article') #3 /web/htdocs/www.manufattincuoio.it/home/wp-includes/class-wp-hook.php(286): WPSEO_OpenGraph->type('') #4 /web/htdocs/www.manufattincuoio.it/home/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('it_IT', Array) #5 /web/htdocs/www.manufattincuoio.it/home/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #6 /web/htdocs/www.manufattincuoio.it/home/wp-content/plugins/wordpress-seo/fronte in /web/htdocs/www.manufattincuoio.it/home/wp-content/plugins/woo-seo-addon/src/Frontend/Frontend.php on line 48