Laravel 6.12 seeding factory don't see states - laravel-6

Question

As usual the project needed seeds.
And as usual I create a UserFactory, set it up, added to DatabasesSeeder and caught a error.
InvalidArgumentException : Unable to locate [models] state for [App\Models\User]
but the default factory (I mean $factory->define(User::class, function (Faker $faker)) is working fine
UserTableSeeder.php
use Illuminate\Database\Seeder;
use App\Models\User;
class UserTableSeeder extends Seeder
{
public function run()
{
factory(User::class, 50)->state('models')->create();
factory(User::class, 50)->create();
}
}
UserFactory.php
use App\Models\User;
use Faker\Generator as Faker;
use Illuminate\Support\Str;
$factory->define(User::class, function (Faker $faker) {
//everything works fine here
});
$factory->defineAs(User::class, 'models', function (Faker $faker) {
//exactly the same return except for a few string values
//but 'Unable to locate [models] state for [App\Models\User]'
});

Answer 1

Ok. I was able to reproduce the error in my enviroment. Here's the problem. You gave the name models to you factory but called it as if it was a state. $factory->defineAs (Not documented) does not define a factory with state but just give a name to your factory. Factory States and Named Factories (yours) are two different things. This is why you can't seed your database like it was a State Factory.
factory(User::class, 50)->state('models')->create();
If you want to use $factory->defineAs function, replace the above line with
factory(User::class,'models', 50)->create();
Or
(Recommended - Because it's well documented) If you still wish to be able to seed your database using ->state('models') (states), then change your UserFactory.php as follows
use App\Models\User;
use Faker\Generator as Faker;
use Illuminate\Support\Str;
$factory->define(User::class, function (Faker $faker) {
//everything works fine here
});
$factory->state(User::class, 'models', function (Faker $faker) {
//exactly the same return except for a few string values
//but 'Unable to locate [models] state for [App\Models\User]'
});
Remark: you now define your second factory with $factory->state and not $factory->defineAs.