Fatal error: Uncaught Error: Class "Symfony\Bundle\FrameworkBundle\CacheWarmer\AbstractPhpFileCacheWarmer" not found in I:\www\picman\vendor\symfony\framework-bundle\CacheWarmer\ValidatorCacheWarmer.php:30 Stack trace: #0 {main} thrown in I:\www\picman\vendor\symfony\framework-bundle\CacheWarmer\ValidatorCacheWarmer.php on line 30