Addon browses fine but no audio playback

[arfoll]

The addon is working good, i can browse my playlists and get to new content (search/explore) - so my account is there and works correctly. However on playing any track (from library or explore) I end up with errors like this and no playback occurs (just the usual kodi behaviour of jumping to next track as quickly as possible).

Here's all I really get:

2019-09-15 08:16:12.538 T:140290711074560   ERROR: CCurlFile::FillBuffer - Failed: Couldn't connect to server(7)
2019-09-15 08:16:12.538 T:140290711074560   ERROR: CCurlFile::Open failed with code 0 for http://localhost:52308/track/34dx8DACTJsc3rsJdaEIQw/232:
2019-09-15 08:16:12.538 T:140290711074560   ERROR: Open - failed to open source <http://localhost:52308/track/34dx8DACTJsc3rsJdaEIQw/232>
2019-09-15 08:16:12.538 T:140290711074560   ERROR: Init: Error opening file http://localhost:52308/track/34dx8DACTJsc3rsJdaEIQw/232
2019-09-15 08:16:12.539 T:140290711074560   ERROR: CAudioDecoder: Unable to Init Codec while loading file http://localhost:52308/track/34dx8DACTJsc3rsJdaEIQw/232

Running on Linux x86_64 plugin is on 1.1.58 kodi 18.3 (just seen there is a 18.4 i will try that too). Any ideas?