Can't open Kami documents from Google Drive

Lately I haven’t been able to open PDFs with KAmi from Google Drive. I have a Chromebook and hadn’t had any trouble in like an year, but now it always says “updating” in the lower part of the screen and the doc never shows. Does anyone else has this problem? Is there something I can do or is it just a bug? I’m considering canceling my subscription as I can’t have any work done!

This is what I get:


Can you click this link and see if it fixes the issue: