I hit this bug, and submitted a fix upstream: https://github.com/graysky2/profile-sync-daemon/pull/185 It's just a few characters, you can do it manually until it makes it into the package.
- Bug#839049: /usr/bin/profile-sync-daemon: line 359: ${#DI... Ian Kelling
- Bug#839049: /usr/bin/profile-sync-daemon: line 359: ... Jan Luca Naumann