Spotify no longer seeing amp

[landwomble]

Spotify Connect has stopped working. My amp no longer appears in lost of playback devices. My other non WiiM devices work with it. Have rebooted. Any suggestions?

 

[landwomble]

Edit: turned off ipv6 and all good

 

[Jls]

I know what ipv6 is for, but is it actually used anywhere?