Fatal error: Uncaught Error: Class 'HTMLPurifier_Bootstrap' not found in C:\Apache24\htdocs\infogpstrack\phpspreadsheet\vendor\ezyang\htmlpurifier\library\HTMLPurifier.autoload.php:11 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\infogpstrack\phpspreadsheet\vendor\ezyang\htmlpurifier\library\HTMLPurifier.autoload.php on line 11