Laravel's php artisan route:cache does not work if you are using closure on your routes. To enable this feature, make sure all your routes are using controllers!
This error will raise if you are using closure on routes.
Unable to prepare route [blog/veritatis-consequatur-ipsam-aut-eveniet-consequatur] for serialization. Uses Closure.
Just found out that this is documented. ¯\_(ツ)_/¯