The Obsidian app is not playing nice with BBT when moving between desktops

I typically use a few desktops and frequently want to move various windows of a specific app between them. BBT works great for this. However, Obsidian is the one app that I use that does not play nice with BBT. The built-in BBT "Move Window One Space..." works for all the other apps I use but not Obsidian.

Any idea why? Might this be a bug in BBT? Thanks!