Fatal error: Uncaught Error: Call to undefined function Symfony\Component\HttpKernel\DependencyInjection\trigger_deprecation() in /home/baumberg/javapax/vendor/symfony/http-kernel/DependencyInjection/Extension.php:16 Stack trace: #0 {main} thrown in /home/baumberg/javapax/vendor/symfony/http-kernel/DependencyInjection/Extension.php on line 16