Fatal error: Uncaught Error: Class "Symfony\Component\Config\Loader\ParamConfigurator" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\dependency-injection\Loader\Configurator\EnvConfigurator.php:16 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\dependency-injection\Loader\Configurator\EnvConfigurator.php on line 16