Fatal error: Uncaught Error: Class "HTMLPurifier_AttrDef" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php:6 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/ezyang/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Pixels.php on line 6