This is correct if it is a Qobuz curated playlist. If you make the Playlist a local one (left click, 3 dot menu, Save a local copy).
This has been discussed before. See “How to search for TIDAL playlists using ROON - #10 by CrystalGipsy”
While it is specifically about Tidal, it is the same functionality for both Tidal and Qobuz.