You can get in this situation when you use GTG firstly in /usr/local/share and you create a link for it. Then you install GTG from another source into /usr/share and get rid of the older version.
You can get in this situation when you use GTG firstly in /usr/local/share and you create a link for it. Then you install GTG from another source into /usr/share and get rid of the older version.