It’s gotta be a bug; I got it to work after casting it a bunch of times. Sometimes it works, most of the time it doesn’t.
Darkvision is helpful while in combat and I have plenty of scrolls but I, the player looking at the screen, want to see things lit up better than the cone it provides.
Even outside of their space, when they “argue” it had generally been posting giant, random images that had little to no context followed by walls of emojis. Which is why my blocklist is mostly Hexbear users.