Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface" not found in /home1/ivorytr1/public_html/website_d6764185/vendor/symfony/event-dispatcher/DependencyInjection/AddEventAliasesPass.php:22 Stack trace: #0 {main} thrown in /home1/ivorytr1/public_html/website_d6764185/vendor/symfony/event-dispatcher/DependencyInjection/AddEventAliasesPass.php on line 22