Can I add any KanBo web parts to Site Collection where my KanBo is added?

I’m testing out KanBo in Site Collection and trying to insert some web parts but they don’t seem to show any information. Have I missed to configure something?

Please try clearing your brower’s cache. You can also upgrade KanBo to be sure.

Before doing the update, please remove all the web parts you have inserted to the site. Here is a short update tutorial:
https://www.youtube.com/watch?v=EJz3uSUPupk&feature=youtu.be