Fatal error: Uncaught Zend_Cache_Exception: cache_dir "/var/www/noctua/var/cache/" is not writable in /var/www/noctua/vendor/magento/zendframework1/library/Zend/Cache.php:209 Stack trace: #0 /var/www/noctua/vendor/magento/zendframework1/library/Zend/Cache/Backend/File.php(180): Zend_Cache::throwException('cache_dir "/var...') #1 /var/www/noctua/vendor/colinmollenhour/cache-backend-file/File.php(87): Zend_Cache_Backend_File->setCacheDir('/var/www/noctua...') #2 /var/www/noctua/vendor/magento/zendframework1/library/Zend/Cache.php(153): Cm_Cache_Backend_File->__construct(Array) #3 /var/www/noctua/vendor/magento/zendframework1/library/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true) #4 /var/www/noctua/vendor/magento/framework/App/Cache/Frontend/Factory.php(156): Zend_Cache::factory('Magento\\Framewo...', 'Cm_Cache_Backen...', Array, Array, true, true, true) #5 /var/www/noctua/vendor/magento/framework/Cache/Frontend/Adapter/Zend.php(38): Magento\Framework\App\Cache\Frontend\Factory->Magento in /var/www/noctua/vendor/magento/zendframework1/library/Zend/Cache.php on line 209

Fatal error: Uncaught InvalidArgumentException: Cache frontend 'default' is not recognized. in /var/www/noctua/vendor/magento/framework/App/Cache/Frontend/Pool.php:150 Stack trace: #0 /var/www/noctua/vendor/magento/framework/App/Cache/Type/FrontendPool.php(87): Magento\Framework\App\Cache\Frontend\Pool->get('default') #1 /var/www/noctua/vendor/magento/framework/App/Cache/Type/Config.php(49): Magento\Framework\App\Cache\Type\FrontendPool->get('config') #2 /var/www/noctua/vendor/magento/framework/Cache/Frontend/Decorator/Bare.php(65): Magento\Framework\App\Cache\Type\Config->_getFrontend() #3 /var/www/noctua/vendor/magento/module-config/App/Config/Type/System.php(294): Magento\Framework\Cache\Frontend\Decorator\Bare->load('system_default') #4 /var/www/noctua/vendor/magento/module-config/App/Config/Type/System.php(236): Magento\Config\App\Config\Type\System->Magento\Config\App\Config\Type\{closure}() #5 /var/www/noctua/vendor/magento/module-config/App/Config/Type/System.php(300): Magento\Config\App\Config\Type\System->locked in /var/www/noctua/vendor/magento/framework/App/Cache/Frontend/Pool.php on line 150