Fatal error: Uncaught LogicException: Passed array does not specify an existing static method (class 'HTMLPurifierExtras' not found) in /home/app/htdocs/ninja/vendor/ezyang/htmlpurifier/extras/HTMLPurifierExtras.autoload.php:14
Stack trace:
#0 /home/app/htdocs/ninja/vendor/ezyang/htmlpurifier/extras/HTMLPurifierExtras.autoload.php(14): spl_autoload_register(Array)
#1 {main}
thrown in /home/app/htdocs/ninja/vendor/ezyang/htmlpurifier/extras/HTMLPurifierExtras.autoload.php on line 14