We use Resilio Syn at our company almost since the start of Syn (when it was still called Bittorrent Sync). I have about 15 shared folders that I share with different people within the organisation depending on which project they work on. This all works fine in general but since some time me and others get the error "Disconnected by owner" very often. This even happens to me although I'm (one of the) owners of the folders.
I've looked on the fora and found this conversat