Fatal error: Uncaught Error: Class 'Whoops\Handler\Handler' not found in E:\xampp\htdocs\webhost_v3\vendor\nunomaduro\collision\src\Handler.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\webhost_v3\vendor\nunomaduro\collision\src\Handler.php on line 17