Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\CacheWarmer\CacheWarmerInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\CacheWarmer\ExpressionCacheWarmer.php:18 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\CacheWarmer\ExpressionCacheWarmer.php on line 18