I have a Debian 8.2 virtual machine running Plex Media Server 0.9.12.19
After upgrading to the latest version (0.9.15.2) I find that certain media fails to playback with the error "There was a problem playing this item"
If I attempt an incremental upgrade from 0.9.12.19 to 0.9.14.6, there is no video playback at all and no error message, just a loading screen with a spinning circle.
Reverting to the old version from a backup of the VM maintains playback fine on all media.
I would very much like to preserve the history of watched items including position at which I am watching certain titles.
Can somebody please help?