Error message occurring after "Sync Completed"

[josurr]

The following error message appears after running a one-way sync (reading from one server for a specific library and writing to another server) and receiving a "Sync Completed" message:

(node:5131) UnhandledPromiseRejectionWarning: FetchError: request to https://192.168.1.10:32400/:/scrobble?identifier=com.plexapp.plugins.library&key=22030&X-Plex-Token=[Plex Token] failed, reason: connect ECONNREFUSED 192.168.1.10:32400
at ClientRequest. (/usr/lib/node_modules/plex-sync/node_modules/node-fetch/index.js:133:11)
at emitOne (events.js:116:13)
at ClientRequest.emit (events.js:211:7)
at TLSSocket.socketErrorListener (_http_client.js:387:9)
at emitOne (events.js:116:13)
at TLSSocket.emit (events.js:211:7)
at emitErrorNT (internal/streams/destroy.js:64:8)
at _combinedTickCallback (internal/process/next_tick.js:138:11)
at process._tickCallback (internal/process/next_tick.js:180:9)
(node:5131) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 50)