Fatal error: Uncaught Error: Class "Yoast\WP\SEO\Integrations\Alerts\Abstract_Dismissable_Alert" not found in /www/web_ecpol_php81/wp-content/plugins/wordpress-seo/src/integrations/alerts/jetpack-boost-pre-publish.php:11 Stack trace: #0 {main} thrown in /www/web_ecpol_php81/wp-content/plugins/wordpress-seo/src/integrations/alerts/jetpack-boost-pre-publish.php on line 11