Fatal error: Uncaught Error: Interface 'Whoops\Handler\HandlerInterface' not found in C:\xampp\htdocs\admin\vendor\nunomaduro\collision\src\Contracts\Handler.php:13 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\nunomaduro\collision\src\Contracts\Handler.php on line 13