No supported encrypter found. The cipher and / or key length are invalid.

Done!

1. Generate a Key

php artisan key:generate

Application key [xlhF31NeOlibJcoOW9tvZg7TkHcAZI3a] set successfully.

Manually add the generate key on the .env file as below:

APP-KEY=xlhF31NeOlibJcoOW9tvZg7TkHcAZI3a

Thanks