Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef" not found in /home/maborneapp/public_html/sii/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php:6
Stack trace:
#0 {main}
thrown in /home/maborneapp/public_html/sii/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/CSS/Font.php on line 6