[wine] Discogs authentication fails

Since I've migrated from Windows to Linux a couple of months ago, I've started using MP3Tag under Wine as there's no suitable alternative on Linux available directly (and MP3Tag isn't directly available a a flatpak or another form).

MP3Tag is starting (although I needed to uncheck the check for updates to avoid a crash), but I can't connect to Discogs.

I'm getting this specific error message: https://i.imgur.com/3NwGtap.png, and I couldn't find anything with the same error message here in the forums. Other reported errors related to authentication failure seem to be unrelated in this case.

I'm running MP3Tag 3.01, in combination with a fresh Wine install prefix (wine is version 5.9-1, from the official Arch repos).

Any tips to help me solve this issue would be greatly appreciated.