Fatal error: Uncaught Error: Call to undefined function Symfony\Component\Mercure\trigger_deprecation() in /srv/disk3/2724534/www/transdoetaskforce.org/concrete/vendor/symfony/mercure/src/Publisher.php:21 Stack trace: #0 {main} thrown in /srv/disk3/2724534/www/transdoetaskforce.org/concrete/vendor/symfony/mercure/src/Publisher.php on line 21