Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef" not found in /home/oyaagyug/public_html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI/IPv4.php:7
Stack trace:
#0 {main}
thrown in /home/oyaagyug/public_html/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/URI/IPv4.php on line 7