Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Loader\YamlFileLoader" not found in D:\htdocs\SuiteCRM\core\backend\DependecyInjection\Metadata\ParameterMergingYamlFileLoader.php:32 Stack trace: #0 {main} thrown in D:\htdocs\SuiteCRM\core\backend\DependecyInjection\Metadata\ParameterMergingYamlFileLoader.php on line 32