Fatal error: Uncaught Error: Class "ProxyManager\Factory\LazyLoadingValueHolderFactory" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\proxy-manager-bridge\LazyProxy\Instantiator\LazyLoadingValueHolderFactory.php:21 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\proxy-manager-bridge\LazyProxy\Instantiator\LazyLoadingValueHolderFactory.php on line 21