Laravel “artisan make:observer” fails

I am trying to generate a provider using Artisan as described on the documentation page [1] by running:

    php artisan make:observer AdServiceProvider

However I get the following error:

[InvalidArgumentException] There are no commands defined in the “make” namespace.

Am I doing something wrong or is the documentation perhaps outdated?

http://laravel.com/docs/master/providers

Answer

There is no make:observer command, neither in the documentation, nor in the command list.

As you have tagged your question you are using Laravel 4, there is no make:*** command whatsoever.

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For Laravel 5:

To create a new provider, simply call

php artisan make:provider [provider name]

You can always get a list with all commands available by typing

php artisan