Domain Mapping by WPM update, issue with main page on main site.

Hello, after updating Domain Mapping by WPMU, the main page on my main site https://www.taipeifx.com/ no longer works properly. Other pages such as http://www.taipeifx.com/startup/ still work though. Also, my mapped subdomain https://www.worldtradeforex.com/ still works, even though there is a bit of an issue with the updated Avada theme. Can you help me get my main page on http://www.taipeifx.com up and running again? I have checked that it is not an issue with any other plugin. Thanks!