Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Loader\LoaderInterface" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/routing/Loader/AttributeClassLoader.php:54 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/routing/Loader/AttributeClassLoader.php on line 54