Fatal error: Uncaught Error: Class "HTMLPurifier_Strategy" not found in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php:7
Stack trace:
#0 {main}
thrown in /var/www/html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Strategy/ValidateAttributes.php on line 7