Ok, I just started with Lumen and I\'m trying to use the Auth, but a call to either Auth::check or any other function of Auth.. leads to the below Error Fatal error: Cla
I had a similar problem now, I couldn't track it down but my guess is that it has something to do with the fact that the defaults configurations are stored in the vendor/laravel/lumen-framework/config folder, the DotEnv::$inmutable setting and the artisan serveserver.
The solution that worked for me was:
Add in bootstrap/app.php the following:
Dotenv::makeMutable();
Dotenv::load(__DIR__.'/../');
Dotenv::makeImmutable();
in the .env file, set all the configuration to "basic drivers" (array, file) even if you are not going to use them, because you w