Xenia won’t launch any games on Steam Deck (SteamOS)

Hi everyone, I’m having issues with Xenia. None of my games will launch. When I start them through EmulationStation-DE, nothing happens. If I launch Xenia directly, it asks me to enter a gamertag, and after I do, I just get a black screen.

I’m using a Steam Deck LCD running SteamOS, and I installed Xenia through EmuDeck.

Thanks in advance for any help!