If you see question marks in the XFCE4 Panel and you don't need to use the option to change the keyboard and layout, you can easily solve this problem. This problem is caused by a package called fbxkb: Right-click these question marks in the XFCE4 panel and select the...
~ $: pwd > XFCE4
pwd is a linux command that shows you what directory you’re in, now it tells you what tag you find