Fatal error: Uncaught Error: Class "WP_HTML_Tag_Processor" not found in /home/.sites/618/site8276133/web/wp-content/plugins/jetpack-boost/jetpack_vendor/automattic/jetpack-image-cdn/src/class-image-cdn.php:340
Stack trace:
#0 /home/.sites/618/site8276133/web/wp-includes/class-wp-hook.php(307): Automattic\Jetpack\Image_CDN\Image_CDN::filter_the_content('