For some reason I don't understand why I'm receiving the error message:

[ReflectionException]
  Class UserProfileSocialLinksTableSeeder does not exist

<?php

use Illuminate\Database\Seeder;

use Laracasts\TestDummy\Factory as TestDummy;
use App\UserProfileSocialLinks;

class UserProfileSocialLinksTableSeeder extends Seeder {

    public function run()
    {
        UserProfileSocialLinks::create([
            'user_id' => '1',
            'facebook_username' => 'testing',
            'twitter_username' => 'testing',
            'google_username' => NULL,
            'behance_username' => NULL,
            'pinterest_username' => NULL,
            'linkedin_username' => 'testing',
            'github_username' => 'testing',
            'youtube_username' => 'testing',
            'instagram_username' => 'testing',
            'external_link' => 'NULL'
        ]);

        //TestDummy::create('App\UserProfileSocialLinks');
    }