ctrl+shift+u is a change case, to set lowercase, but it conflicts with annother command, that produces a underlined ''u'', which produces an emoji when combined with a number.
It annoyed me so much because when I am working with a text editor in Chromium I need to use this shortcut but I can't.
I've tried everything, I removed the ibus package but the error persists. I will type capslock first the command to avoid this error for now, but is there any better method?