Originally Posted by Anthem
I e-mailed Kobo support for help but that was quite some time ago now and they have not responded.
Seems that forum answers quicker and people solve their problems
almost at 100% rate. For such a kind of puzzle, there is taming's post
some time ago. Maybe she would write one sticky to include all those
examples for mixed source usage. At least, knowledge on the steps
to handle more than one is necessary.
Sometimes the best solution is not to sync at all.