Laravel 5.5 using artesaos/defender

i'm using laravel 5.5.* and install this http://ift.tt/1M8aV1y package for roles and permission, all things working fine but when i try to get permission

$permissions = array_map(function ($permission) {
        return $permission['name'];
    }, $user->getAllPermissions()->toArray());

getting blow error:

"Symfony\Component\Debug\Exception\FatalThrowableError" file : H:\xampp\htdocs\LaraVueAdmin\vendor\laravel\framework\src\Illuminate\Database\Eloquent\Model.php" line: 147 message : "Type error: Argument 1 passed to Illuminate\Database\Eloquent\Model::__construct() must be of the type array, object given, called in H:\xampp\htdocs\LaraVueAdmin\vendor\artesaos\defender\src\Defender\Traits\Models\Permission.php on line 75"

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