title: Fatal error: Class not found in AppKernel.php
body: <p>I have generated a new Bundle (ImgBundle) following the Symfony documentation, but when reloading the app in the browser it does not recognize the main class of the bundle.</p>
  
  <p>Here is my ImgBundle.php:</p>
  
  <pre><code>&lt;?php
  
  namespace ImgBundle;
  
  use Symfony\Component\HttpKernel\Bundle\Bundle;
  
  class ImgBundle extends Bundle
  {
  }
  </code></pre>
  
  <p>AppKernel.php:</p>
  
  <pre><code>&lt;?php
  
  use Symfony\Component\HttpKernel\Kernel;
  use Symfony\Component\Config\Loader\LoaderInterface;
  
  class AppKernel extends Kernel
  {
      public function registerBundles()
      {
          $bundles = [
          new Symfony\Bundle\FrameworkBundle\FrameworkBundle(),
          new Symfony\Bundle\SecurityBundle\SecurityBundle(),
          new Symfony\Bundle\TwigBundle\TwigBundle(),
          new Symfony\Bundle\MonologBundle\MonologBundle(),
          new Symfony\Bundle\SwiftmailerBundle\SwiftmailerBundle(),
          new Doctrine\Bundle\DoctrineBundle\DoctrineBundle(),
          new Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle(),
          new AppBundle\AppBundle(),
          new ImgBundle\ImgBundle(),
      ];
  
      if (in_array($this-&gt;getEnvironment(), ['dev', 'test'], true)) {
          $bundles[] = new Symfony\Bundle\DebugBundle\DebugBundle();
          $bundles[] = new Symfony\Bundle\WebProfilerBundle\WebProfilerBundle();
          $bundles[] = new Sensio\Bundle\DistributionBundle\SensioDistributionBundle();
  
          if ('dev' === $this-&gt;getEnvironment()) {
              $bundles[] = new Sensio\Bundle\GeneratorBundle\SensioGeneratorBundle();
              $bundles[] = new Symfony\Bundle\WebServerBundle\WebServerBundle();
          }
      }
  
      return $bundles;
  }
  
  public function getRootDir()
  {
      return __DIR__;
  }
  
  public function getCacheDir()
  {
      return dirname(__DIR__).'/var/cache/'.$this-&gt;getEnvironment();
  }
  
  public function getLogDir()
  {
      return dirname(__DIR__).'/var/logs';
  }
  
  public function registerContainerConfiguration(LoaderInterface $loader)
  {
      $loader-&gt;load($this-&gt;getRootDir().'/config/config_'.$this-&gt;getEnvironment().'.yml');
  }
  </code></pre>
  
  <p>}</p>
  
  <p>Here is the error:</p>
  
  <p><img src="https://i.gyazo.com/ee309a02d30fe23ea0b8ac0d650e10ba.png" alt="1"></p>
  
  <p>Thanks in advance</p>