laravel-medialibrary: The current request does not have a file in a key named `avatar`

Hey guys, had encountered this problem… did not see anything wrong in my code to be honest… check it pls.

This is the form:

<div class="form-group row">
                            <label for="avatar" class="col-md-4 col-form-label text-md-right">{{ __('Avatar (optional)') }}</label>

                            <div class="col-md-6">
                                <input id="avatar" type="file" class="form-control" name="avatar">
                            </div>
                        </div>

this is the user model:

    {
        $this->addMediaConversion('thumb')
            ->width(60)
            ->height(60);
    }

this is the RegisterController:

            'name' => $data['name'],
            'email' => $data['email'],
            'password' => Hash::make($data['password']),
            'type' => $type,
        ]);
        if (isset($data['avatar'])) {
            $user->addMediaFromRequest('avatar')->toMediaCollection('avatars');
        }

        return $user;

filesystems.php: 'default' => env('FILESYSTEM_DRIVER', 'public'),

yes, the user model has:

use Illuminate\Foundation\Auth\User as Authenticatable;
use Spatie\MediaLibrary\HasMedia\HasMedia;
use Spatie\MediaLibrary\HasMedia\HasMediaTrait;

class User extends \TCG\Voyager\Models\User
{
    use Notifiable;
    use HasMediaTrait;