I'm new to troubleshooting Kodi, and Kodi-apps. My debug log may not be detailed enough?
2021-01-30 15:13:14.359 T:140678097832640 NOTICE: Previous line repeats 1 times.
2021-01-30 15:13:14.359 T:140678097832640 ERROR: Control 50 in window 10025 has been asked to focus, but it can't
2021-01-30 15:13:32.535 T:140677470885632 ERROR: NEWADDON Unknown Video Info Key "list_title"
2021-01-30 15:13:38.515 T:140676679329536 ERROR: Previous line repeats 66 times.
2021-01-30 15:13:38.516 T:140676679329536 ERROR: CCurlFile::FillBuffer - Failed: HTTP returned error 504
2021-01-30 15:13:38.522 T:140676679329536 ERROR: CCurlFile::Open failed with code 504 for https://i-viaplay-com.akamaized.net/viaplay-prod/705/880/se.cs.tvn.event.F_1803033997900.jpg:
2021-01-30 15:13:51.893 T:140678097832640 ERROR: Playlist Player: skipping unplayable item: 0, path [plugin://plugin.video.viaplay/play?url=None&tve=true&guid=0055202101301400]
2021-01-30 15:28:20.930 T:140678097832640 DEBUG: OnPlayMedia plugin://plugin.video.viaplay/play?url=None&tve=true&guid=0055202101301400
2021-01-30 15:28:20.932 T:140678097832640 DEBUG: StartScript - calling plugin Viaplay('plugin://plugin.video.viaplay/play','17','?url=None&tve=true&guid=0055202101301400','resume:false')
2021-01-30 15:28:20.932 T:140676679329536 DEBUG: Thread LanguageInvoker start, auto delete: false
2021-01-30 15:28:20.932 T:140676679329536 INFO: initializing python engine.
2021-01-30 15:28:20.932 T:140676679329536 DEBUG: CPythonInvoker(21, /home/volden/.kodi/addons/plugin.video.viaplay/default.py): start processing
2021-01-30 15:28:20.952 T:140677462492928 DEBUG: Thread scriptobs start, auto delete: false
2021-01-30 15:28:20.999 T:140676679329536 DEBUG: -->Python Interpreter Initialized<--
2021-01-30 15:28:20.999 T:140676679329536 DEBUG: CPythonInvoker(21, /home/volden/.kodi/addons/plugin.video.viaplay/default.py): the source file to load is "/home/volden/.kodi/addons/plugin.video.viaplay/default.py"
2021-01-30 15:28:20.999 T:140676679329536 DEBUG: CPythonInvoker(21, /home/volden/.kodi/addons/plugin.video.viaplay/default.py): setting the Python path to /home/volden/.kodi/addons/plugin.video.viaplay:/home/volden/.kodi/addons/script.module.certifi/lib:/home/volden/.kodi/addons/script.module.chardet/lib:/home/volden/.kodi/addons/script.module.idna/lib:/home/volden/.kodi/addons/script.module.inputstreamhelper/lib:/home/volden/.kodi/addons/script.module.iso8601/lib:/home/volden/.kodi/addons/script.module.requests/lib:/home/volden/.kodi/addons/script.module.routing/lib:/home/volden/.kodi/addons/script.module.urllib3/lib:/usr/lib/python2.7:/usr/lib/python2.7/plat-x86_64-linux-gnu:/usr/lib/python2.7/lib-tk:/usr/lib/python2.7/lib-old:/usr/lib/python2.7/lib-dynload:/usr/local/lib/python2.7/dist-packages:/usr/lib/python2.7/dist-packages
2021-01-30 15:28:21.000 T:140676679329536 DEBUG: CPythonInvoker(21, /home/volden/.kodi/addons/plugin.video.viaplay/default.py): entering source directory /home/volden/.kodi/addons/plugin.video.viaplay
2021-01-30 15:28:21.000 T:140676679329536 DEBUG: CPythonInvoker(21, /home/volden/.kodi/addons/plugin.video.viaplay/default.py): instantiating addon using automatically obtained id of "plugin.video.viaplay" dependent on version 2.25.0 of the xbmc.python api
2021-01-30 15:28:21.152 T:140678097832640 DEBUG: ------ Window Init (DialogBusy.xml) ------
2021-01-30 15:28:22.433 T:140676033398528 DEBUG: NFS: Refreshing context for 192.168.1.111/media/putrid/western, old: 9013230, new: 9017319
2021-01-30 15:28:22.433 T:140676033398528 DEBUG: NFS: Using cached context.
2021-01-30 15:28:23.288 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: loading setting definitions
2021-01-30 15:28:23.289 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: trying to load setting definitions from old format...
2021-01-30 15:28:23.290 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: loading setting values
2021-01-30 15:28:23.292 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: loading setting definitions
2021-01-30 15:28:23.292 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: trying to load setting definitions from old format...
2021-01-30 15:28:23.292 T:140676679329536 DEBUG: CAddonSettings[plugin.video.viaplay]: loading setting values
2021-01-30 15:28:23.324 T:140676679329536 DEBUG: [plugin.video.viaplay][routing] Dispatching to 'play', args: {}
2021-01-30 15:28:23.326 T:140676679329536 DEBUG: [Viaplay]: Request URL: https://play.viaplay.no/api/stream/bymediaguid
2021-01-30 15:28:23.326 T:140676679329536 DEBUG: [Viaplay]: Method: get
2021-01-30 15:28:23.326 T:140676679329536 DEBUG: [Viaplay]: Params: {'deviceName': 'web', 'deviceKey': 'chromecast-no', 'deviceType': 'pc', 'deviceId': 'fa4a27c5-3319-4f4d-af75-83ea82fe1e39', 'isTve': u'true', 'userAgent': 'Kodi', 'mediaGuid': u'0055202101301400'}
2021-01-30 15:28:23.598 T:140676679329536 DEBUG: [Viaplay]: Response code: 404
2021-01-30 15:28:23.599 T:140676679329536 DEBUG: [Viaplay]: Response: {"name":"MissingVideoError","message":"No prioritized video found for productId: null","code":5007,"httpStatus":404,"success":false}