Fatal error: Uncaught Phpfastcache\Exceptions\PhpfastcacheDriverCheckException: Memcached is not installed or is misconfigured, cannot continue. Also, please verify the suggested dependencies in composer because as of the V6, 3rd party libraries are no longer required. in /var/www/installer/data/www/installermarket.ru/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Core/Pool/DriverBaseTrait.php:70 Stack trace: #0 /var/www/installer/data/www/installermarket.ru/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Drivers/Memcached/Driver.php(55): Phpfastcache\Drivers\Memcached\Driver->__parentConstruct() #1 /var/www/installer/data/www/installermarket.ru/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/CacheManager.php(131): Phpfastcache\Drivers\Memcached\Driver->__construct() #2 /var/www/installer/data/www/installermarket.ru/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/Helper/Psr16Adapter.php(52): Phpfastcache\CacheManager::getInstance() #3 /var/www/installer/data/www/installermarket.ru/system/core/template.php(21 in /var/www/installer/data/www/installermarket.ru/vendor/phpfastcache/phpfastcache/lib/Phpfastcache/CacheManager.php on line 174