Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\CacheWarmer\AbstractPhpFileCacheWarmer" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\framework-bundle\CacheWarmer\SerializerCacheWarmer.php:28 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\framework-bundle\CacheWarmer\SerializerCacheWarmer.php on line 28