This just shows lume.nu didn't answer the request.
Discussion
Hi nostr:npub1jlrs53pkdfjnts29kveljul2sm0actt6n8dxrrzqcersttvcuv3qdjynqn , I've restarted the nsecbunkerd service for lume.nu, it should work fine now.
I run this service on a cheap VPS, so it frequently crashes 🥲.
Same thing happened with highlighter, which is why I tried lume too 🤔