Watch history haven't updated in 6 days despite having watched several episodes fully

[solitas]

This is a common issue due to a bug in the server code

ViewStateSync process does not run properly

@gbooker02 I went through past PMS versions, and the last version where ViewStateSync worked was 1.40.5.8854-f36c552fd. I also confirmed that the exception started happening on 1.40.5.8897-e5987a19d: Plex Media Server - #638 by gbooker02 Maybe something to do with (View State Sync) Item plays could be duplicated when state synced from service. (ViewStateSync) Fewer requests to plex.tv endpoints (PM-1958