Certificado de calefacción en Santiago de Compostela

Fatal error: Uncaught LogicException: Cannot auto-detect project dir for kernel of class "App\Kernel". in /var/www/vendor/symfony/http-kernel/Kernel.php:361 Stack trace: #0 /var/www/src/Kernel.php(30): Symfony\Component\HttpKernel\Kernel->getProjectDir() #1 /var/www/vendor/symfony/http-kernel/Kernel.php(446): App\Kernel->registerBundles() #2 /var/www/vendor/symfony/http-kernel/Kernel.php(133): Symfony\Component\HttpKernel\Kernel->initializeBundles() #3 /var/www/vendor/symfony/http-kernel/Kernel.php(196): Symfony\Component\HttpKernel\Kernel->boot() #4 /var/www/public/index.php(37): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #5 {main} thrown in /var/www/vendor/symfony/http-kernel/Kernel.php on line 361