Fatal error: Uncaught Error: Call to undefined function Symfony\Contracts\Service\trigger_deprecation() in /home/bwjzwsaz/public_html/alumni.aaa.org.pk/vendor/symfony/service-contracts/ServiceSubscriberTrait.php:18 Stack trace: #0 {main} thrown in /home/bwjzwsaz/public_html/alumni.aaa.org.pk/vendor/symfony/service-contracts/ServiceSubscriberTrait.php on line 18