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

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