Fatal error: Uncaught Error: Class 'HTMLPurifier_AttrDef_HTML_Pixels' not found in C:\xampp\htdocs\rabani-mobile-api\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\HTML\Length.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rabani-mobile-api\vendor\ezyang\htmlpurifier\library\HTMLPurifier\AttrDef\HTML\Length.php on line 10