Fatal error: Uncaught RuntimeException: Unable to write in the "logs" directory (/app/var/log). in /app/vendor/symfony/http-kernel/Kernel.php:641 Stack trace: #0 /app/vendor/symfony/http-kernel/Kernel.php(545): Symfony\Component\HttpKernel\Kernel->buildContainer() #1 /app/vendor/symfony/http-kernel/Kernel.php(789): Symfony\Component\HttpKernel\Kernel->initializeContainer() #2 /app/vendor/symfony/http-kernel/Kernel.php(190): Symfony\Component\HttpKernel\Kernel->preBoot() #3 /app/vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php(35): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 /app/vendor/autoload_runtime.php(35): Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run() #5 /app/public/index.php(5): require_once('/app/vendor/aut...') #6 {main} thrown in /app/vendor/symfony/http-kernel/Kernel.php on line 641