Fatal error: Uncaught Error: Interface "Symfony\Component\Cache\Marshaller\MarshallerInterface" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/http-foundation/Session/Storage/Handler/IdentityMarshaller.php:19 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/http-foundation/Session/Storage/Handler/IdentityMarshaller.php on line 19