Fatal error: Uncaught Error: Interface "Symfony\Component\HttpKernel\HttpKernelInterface" not found in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/symfony/http-kernel/HttpKernel.php:51
Stack trace:
#0 {main}
  thrown in /usr/home/jiexusheng/domains/linuxdo.isgre.at/public_html/vendor/symfony/http-kernel/HttpKernel.php on line 51