laravel 5.1

[rebornishard]

[RuntimeException]
Error Output: PHP Fatal error: Class 'Artesaos\Defender\Providers\Defender
ServiceProvider' not found in E:\EasyPHP-DevServer-14.1VC11\data\localweb\g
amenivora\vendor\laravel\framework\src\Illuminate\Foundation\ProviderReposi
tory.php on line 146

i'm stuck in here :
// file START ommited
'providers' => [
// other providers ommited
\Artesaos\Defender\Providers\DefenderServiceProvider::class,
],
// file END ommited

[rebornishard]

close this, done by comment that line then do composer update
continue to explore it

$ composer update

php artisan clear-compiled
Loading composer repositories with package information
Updating dependencies (including require-dev)

• Installing artesaos/defender (v0.4.2)
  Downloading: 100%

Writing lock file
Generating autoload files

php artisan optimize
Generating optimized class loader