Fatal error: Uncaught RuntimeException: Unable to write in the "cache" directory (/var/www/html/var/cache/prod). in /var/www/html/vendor/symfony/http-kernel/Kernel.php:643 Stack trace: #0 /var/www/html/vendor/symfony/http-kernel/Kernel.php(547): Symfony\Component\HttpKernel\Kernel->buildContainer() #1 /var/www/html/vendor/pimcore/pimcore/lib/Kernel.php(287): Symfony\Component\HttpKernel\Kernel->initializeContainer() #2 /var/www/html/vendor/symfony/http-kernel/Kernel.php(789): Pimcore\Kernel->initializeContainer() #3 /var/www/html/vendor/symfony/http-kernel/Kernel.php(128): Symfony\Component\HttpKernel\Kernel->preBoot() #4 /var/www/html/vendor/pimcore/pimcore/lib/Kernel.php(266): Symfony\Component\HttpKernel\Kernel->boot() #5 /var/www/html/vendor/pimcore/pimcore/lib/Bootstrap.php(256): Pimcore\Kernel->boot() #6 /var/www/html/public/index.php(31): Pimcore\Bootstrap::kernel() #7 {main} thrown in /var/www/html/vendor/symfony/http-kernel/Kernel.php on line 643