Exception occurred: ISPConfigOSException -> Command update-alternatives --set php-fpm.sock /run/php/php7.4-fpm.sock failed. (/ispconfig.ai.php:15)

今天在使用 ISPConfig 进行安装时，出现了以下错误提示 [INFO] Setting default system PHP version. update-alternatives: error: alternative /run/php/php7.4-fpm.sock for php-fpm.sock not registered; not setting [ERROR] Exception occurred: ISPConfigOSException -> Command update-alter…