Probably Comet is patched, and you need to wait till it will update.
Bro, just download it, it's not that hard.
Then make your own one or use free API.
Created a new thread : How to get Roblox print address on UWP
How to get a print address for Roblox UWP version, because I can't start screen recording on the UWP version, so is there any other way to get it?