Fresh install of Kubuntu 22.04. Clicking on the Firefox icon doesn't work. In the command line some error messages can be seen:
$ firefox
sed: can't read /home/mama/.config/user-dirs.dirs: Permission denied
/snap/firefox/1232/snap/command-chain/desktop-launch: line 261: /home/mama/.config/user-dirs.dirs: Permission denied
cp: cannot open '/home/mama/.config/user-dirs.locale' for reading: Permission denied
/snap/firefox/1232/snap/command-chain/desktop-launch: line 266: /home/mama/.config/user-dirs.locale: Permission denied
/snap/firefox/1232/snap/command-chain/desktop-launch: line 20: /snap/firefox/1232/gnome-platform/usr/lib/x86_64-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0: No such file or directory
ERROR: /snap/firefox/1232/gnome-platform/usr/lib/x86_64-linux-gnu/libgtk-3-0/gtk-query-immodules-3.0 exited abnormally with status 127
/snap/firefox/1232/firefox.launcher: 47: xdg-user-dir: not found
XPCOMGlueLoad error for file /snap/firefox/1232/usr/lib/firefox/libmozgtk.so:
libgtk-3.so.0: cannot open shared object file: No such file or directory
Couldn't load XPCOM.
Does anybody know how to fix this?