Fatal error: Uncaught Error: Interface "Whoops\Handler\HandlerInterface" not found in /home/shiftict/public_html/laravel8/example-app/vendor/nunomaduro/collision/src/Contracts/Handler.php:13 Stack trace: #0 {main} thrown in /home/shiftict/public_html/laravel8/example-app/vendor/nunomaduro/collision/src/Contracts/Handler.php on line 13