Fatal error: Uncaught Error: Class 'Whoops\Handler\Handler' not found in /var/www/html/test-project/my-app/vendor/nunomaduro/collision/src/Handler.php:17 Stack trace: #0 {main} thrown in /var/www/html/test-project/my-app/vendor/nunomaduro/collision/src/Handler.php on line 17