Bolt - Error fatal

Silex\Application->abort()
[root]/app/src/Bolt/Controllers/Frontend.php, line 119

arr(2)  

Symfony\Component\HttpKernel\HttpKernel->handleRaw()
[root]/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpKernel.php, line 61

Symfony\Component\HttpKernel\HttpKernel->handle()
[root]/vendor/silex/silex/src/Silex/Application.php, line 504

Silex\Application->handle()
[root]/vendor/silex/silex/src/Silex/Application.php, line 481

Silex\Application->run()
[root]/index.php, line 10

arr(0)