Fatal error: Uncaught RuntimeException: Unable to write in the "cache" directory (/var/www/var/cache/prod). in /var/www/vendor/symfony/http-kernel/Kernel.php:691 Stack trace: #0 /var/www/vendor/symfony/http-kernel/Kernel.php(595): Symfony\Component\HttpKernel\Kernel->buildContainer() #1 /var/www/vendor/symfony/http-kernel/Kernel.php(136): Symfony\Component\HttpKernel\Kernel->initializeContainer() #2 /var/www/vendor/symfony/http-kernel/Kernel.php(196): Symfony\Component\HttpKernel\Kernel->boot() #3 /var/www/public/index.php(37): Symfony\Component\HttpKernel\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #4 {main} thrown in /var/www/vendor/symfony/http-kernel/Kernel.php on line 691