Probably the the Google server is occasionally too slow:
Code
2021-09-02 21:47:30.195 T:2585756528 DEBUG: PLEX.subscribers: Sent server notification with parameters: {u'key': u'/library/metadata/74134', u'X-Plex-Token': u'REDACTED', u'X-Plex-Platform': u'Generic', u'X-Plex-Model': '4.19.127', u'X-Plex-Platform-Version': u'1.0.0', u'X-Plex-Client-Identifier': u'a997e10d-9004-4b09-a5ef-7f60825e31a0', u'ratingKey': 74134, u'playQueueItemID': 5706, u'X-Plex-Device': u'Linux', u'state': u'paused', u'X-Plex-Product': u'PlexKodiConnect', u'time': 719168, u'duration': 3271072, u'X-Plex-Device-Name': u'Kodi LibreELEC', u'X-Plex-Version': '2.14.0'} to https://REDACTED.a37ab5a2bb8e4499b9ec6ee03662dda2.plex.direct:32400/:/timeline
2021-09-02 21:47:30.605 T:2126115696 WARNING: CRenderManager::WaitForBuffer - timeout waiting for buffer
2021-09-02 21:47:32.270 T:2585756528 WARNING: Previous line repeats 3 times.