I have KODI 16.1 and I have 1.0.6 version of the Back-Up Add-On installed. Every time I start up KODI I get an error message (displayed in the corner) regarding the Back-Up Add-On.
It's 100% that's because the new 1.0.8 version in some way (maybe it fails to install).
I will try to disable the auto update, to get rid off the message, hope it works.