It's been a while since I looked at the feed.
https://serve.podhome.fm/rss/fafd2bfc-98ac-5010-9fcb-7403abfd420a
If I remember correctly there was an issue with one the VTS
I think Silvie created a VTS, then deleted it and created a new one. The deleted one did delete from the chapters json but remained in the RSS.
Or something like that. 🙂