I'm trying to use "edit this panel" option on "Quick Search" box on my zoho wiki but once I click on this link I got a blank page.

I try with 3 different web browser (IE, FF and Chrome) but problem is still there.
The url that I can see on the browser is https://netwhat.wiki.zoho.com/WikiEditor.im?doc=GlobalLinks and behind I have a complete blank page.

Any help is welcome? :-)
Thanks
Francesco