Fatal error: Uncaught Error: Call to undefined function Symfony\Component\EventDispatcher\trigger_deprecation() in /usr/local/httpd/vhtdocs/hotello/vendor/symfony/event-dispatcher/LegacyEventDispatcherProxy.php:16 Stack trace: #0 {main} thrown in /usr/local/httpd/vhtdocs/hotello/vendor/symfony/event-dispatcher/LegacyEventDispatcherProxy.php on line 16