Fatal error: Uncaught Error: Class "Whoops\Handler\Handler" not found in /var/www/html/app/vendor/filp/whoops/src/Whoops/Handler/XmlResponseHandler.php:17
Stack trace:
#0 {main}
thrown in /var/www/html/app/vendor/filp/whoops/src/Whoops/Handler/XmlResponseHandler.php on line 17