I got the same error until I realized Bandcamp appends a leading space when copying the Username or the Password, deleting it from both fixed it for me.
The new version 1.2.22 released now has an option for dark mode under the appearance settings, you can also configure each individual color on the interface.
I'd also like to voice some suggestions regarding synced lyrics, it would be best when timestamps are available to use the foobar2000 approach of highlighting the current row or, if timestamps are unavailable, autoscroll the lyrics in sync to the song's progress.
Sounds good. I hate having to turn to VLC or other players to get features like this. I also see this (musical lyrics in .lrc) as the camel's nose in the tent for podcast transcripts in .vtt. Whether it is music (lyrics) or podcasts (transcripts), text is very important for the hard of hearing and for people like me, with excellent hearing for music but not-so-excellent listening for words in other languages. I am sure that my neighbors through the wall would like if I did not have to occasionally scrub back over the same five-second passage ten times.
