Fatal error: Uncaught Error: Class 'PhpParser\NodeVisitorAbstract' not found in /home/ntjyolko/public_html/2learn/wp-content/plugins/wordpress-seo/config/php-codeshift/remove-vendor-prefixing-visitor.php:17 Stack trace: #0 {main} thrown in /home/ntjyolko/public_html/2learn/wp-content/plugins/wordpress-seo/config/php-codeshift/remove-vendor-prefixing-visitor.php on line 17