install mengato 2 and configure php

install mengato 2 and fix the errors when updating or install extension. error as below: Step 2: Readiness Check Error! You need to resolve these issues to continue. Check Updater Application Availability Updater application is available. Check Cron Scripts Cron script readiness check failed. Hide detail Error from Setup Application Cron Script: Cron job has not been configured yet Other checks will fail as a result (PHP version, PHP settings, and PHP extensions) Error from Updater Application Cron Script: Cron job has not been configured yet For additional assistance, see cron scripts help. Check Component Dependency We found conflicting component dependencies. Hide detail For additional assistance, see component dependency help . PHP Settings Check * For additional assistance, see PHP settings check help . Need Help? PHP Extension Help PHP Extensions Check missing PHP extensions. Hide detail The best way to resolve this is to install the correct missing extensions. The exact fix depends on our server, your host, and other system variables. Our PHP extension help can get you started. For additional assistance, contact your hosting provider.