Bolt - Schwerwiegender Fehler

Symfony\Component\EventDispatcher\EventDispatcher->doDispatch()
[root]/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php, line53

Symfony\Component\EventDispatcher\EventDispatcher->dispatch()
[root]/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php, line107

Symfony\Component\HttpKernel\HttpKernel->handleRaw()
[root]/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php, line66

Symfony\Component\HttpKernel\HttpKernel->handle()
[root]/vendor/silex/silex/src/Silex/Application.php, line516

Silex\Application->handle()
[root]/vendor/silex/silex/src/Silex/Application.php, line493

Silex\Application->run()
[root]/index.php, line28