I have

use Laravel\Cashier\Billable;
use Prettus\Repository\Contracts\Transformable;
use Prettus\Repository\Traits\TransformableTrait;
use Illuminate\Notifications\Notifiable;
use Illuminate\Database\Eloquent\SoftDeletes;

use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Auth\Authenticatable;

use Illuminate\Database\Eloquent\Model;

use Illuminate\Auth\Passwords\CanResetPassword;
use Illuminate\Foundation\Auth\Access\Authorizable;
use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
use Illuminate\Contracts\Auth\Access\Authorizable as AuthorizableContract;
use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;
 
class User extends Model implements AuthenticatableContract, AuthorizableContract, CanResetPasswordContract
{
    use Authenticatable, Authorizable, CanResetPassword, TransformableTrait, Notifiable, Billable, SoftDeletes;

If so, i recive error whe registering user:

Symfony \ Component \ Debug \ Exception \ FatalErrorException (E_UNKNOWN)

Cannot use Illuminate\Auth\Authenticatable as Authenticatable because the name is already in use

Okay, let us change it that way:

use Laravel\Cashier\Billable;
use Prettus\Repository\Contracts\Transformable;
use Prettus\Repository\Traits\TransformableTrait;
use Illuminate\Notifications\Notifiable;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Auth\Passwords\CanResetPassword;
use Illuminate\Foundation\Auth\Access\Authorizable;
use Illuminate\Contracts\Auth\Authenticatable as AuthenticatableContract;
use Illuminate\Contracts\Auth\Access\Authorizable as AuthorizableContract;
use Illuminate\Contracts\Auth\CanResetPassword as CanResetPasswordContract;

use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Auth\Authenticatable as AuthenticableTrait;

class User extends Authenticatable implements AuthenticatableContract, AuthorizableContract, CanResetPasswordContract
{
    use AuthenticableTrait, Authorizable, CanResetPassword, TransformableTrait, Notifiable, Billable, SoftDeletes;

Now i have error:

BadMethodCallException
Method newSubscription does not exist.

What is going on??? How to solve it?

We are using Billable Trait -_ -