Target class [ 〇ed Seeder] does not exist. does not resolve the issue.

 code
$ phpartisan db:seed

Deprecated: PHP Startup: Use of mbstring.internal_encoding is deprecated in Unknown on line 0

   Illuminate\Contracts\Container\BindingResolutionException 

  Target class [PhotoTableSeeder] does not exist.

  at vendor/larvel/framework/src/Illuminate/Container/Container.php —877
    873▕ 
    874 try {
    875 $ $reflector = new ReflectionClass($concrete);
    876 }}catch(ReflectionException$e){
  87877 ththrow new BindingResolutionException("Target class[$concrete] does not exist.",0,$e);
    878▕         }
    879▕ 
    880 ▕ // If the type is not instantiable, the developer is trying to resolve
    881 ▕ // an abstract type such as an Interface or Abstract Class and there is

      +8 vendor frames 
  9 database/seeds/DatabaseSeeder.php:14
      Illuminate\Database\Seeder::call("PhotoTableSeeder")

      +23 vendor frames 
  33 artisan—37
      Illuminate\Foundation\Console\Kernel::handle (Object(Symphony\Component\Console\Input\ArgvInput), Object(Symphony\Component\Console\Output\ConsoleOutput))

 code
phpartisan cache —clear
phpartisan config —Clear
phpartisan route —clear
phpartisan view —Clear
composer dump-autoload

<?php

namespace Database\Seeders;

use Illuminate\Database\Console\Seeds\WithoutModelEvents;
use Illuminate\Database\Seeder;


// addition
use Illuminate\Support\str;
use App\User;


// Added (20220623)
use Illuminate\Support\Facades\DB;

class PhotoTableSeeder extensions Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        // Added (20220623)
        $param=[
            'user_id'=>fn()=>\App\User::factory()->create()->id,
            'filename' = > Str::random(12).'.jpg',
            'created_at' = > now(),
            'updated_at' = > now(),
        ];
        DB::table('photos') - > insert($param);
    }
}

<?php

use Illuminate\Database\Seeder;

class DatabaseSeeder extensions Seeder
{
    /**
     * Seed the application's database.
     *
     * @return void
     */
    public function run()
    {
        $this->call(PhotoTableSeeder::class);
    }
}