I can not install php artisan admin:install laravel 5.0

I am trying to install Sleeping owl admin with help of php artisan admin:install I am using laravel 5.0 After i am running php artisan admin:install I am getting this error: [Symfony\Component\Debug\Exception\FatalErrorException] Call to undefined method Illuminate\Foundation\Application::bindShared() I do not know how to solve this problem. Help me please.

via Chebli Mohamed