Try contacting Chandos. They sold out to somebody so you might have Google around. Hopefully it’s a temporary disruption.
Score another point for Physical Media
. Edit-I just looked it up. Chandos was sold to Naxos in 2024. Naxos and Qobuz apparently work with each other. My guess is that the Chandos catalog is being integrated somehow into the Naxos catalog and will ultimately reappear