Laine not launching.

[BitRanger]

I installed the extension from the link in the readme, but I can't see an icon anywhere, and changing the extension settings doesn't help. journalctl /usr/bin/gnome-shell reveals that I keep getting this error: "Received faulty track artist metadata from org.mpris.MediaPlayer2.plasma-browser-integration; expected an array of strings, got (string)". I've been trying to use this on firefox/chrome, and it seems like a really useful extension. Can you help?(Also, I am running Ubuntu 20.04 with Gnome 3.36.8)