I just created a new project of laravel version 5.5 with the laravel installer.And run the command \"php artisan make:auth\".The views and controller are generated
I had the same problem on localhost:8000 (php artisan serve). Maybe it's coincidence, but try on "clean browser" , other than you used with previous development.
For me it worked.
It seems that the problem is with cookies from development with previous Laravel versions, on the same url.