Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home1/aihika/public_html/elephant-society/vendor_old/symfony/http-kernel/DependencyInjection/ConfigurableExtension.php:28 Stack trace: #0 {main} thrown in /home1/aihika/public_html/elephant-society/vendor_old/symfony/http-kernel/DependencyInjection/ConfigurableExtension.php on line 28