Fatal error: Uncaught Error: Class "WP_HTML_Tag_Processor" not found in /var/lib/sites/site-1049/www/html/wp-includes/html-api/class-wp-html-processor.php:143
Stack trace:
#0 {main}
  thrown in /var/lib/sites/site-1049/www/html/wp-includes/html-api/class-wp-html-processor.php on line 143