The Arch Linux wiki says that for Discord, screen sharing doesn't work on Wayland:
https://wiki.archlinux.org/title/Discord#Screen_sharing_on_Wayland
However, it does provide alternatives like using Webcord, or use an OBS virtual camera. Read the wiki link for details.
Btw, you should really install Grammarly or something to help you out with your English spelling and grammar. Ishu and cun't are not real words :((