Vacation scheduler not accepting my group selection?

[Empiron]

Hi - I posted about this a few days ago in the Anki Addon subcategory and got no response, so I'm reposting over here and in the discord.

I set up some vacations with the new addition and thought it was all well and good, but now I'm checking back in and it looks like the "Groups" column keeps getting reset back to "Default". I can't select the groups I want to select. Well, I can, but then it doesn't save, and I don't see any way to make it do so.

I'm looking at my "manage vacation" right now, click the dropdown on "Groups", select the one I want, and then... What? The group selection doesn't save when I select "OK".