You should be able to teleport an ally, as long as they don't have a status to prevent that (after Fortify is cast on them, etc).
If you give Fane the teleporter gloves (though it doesn't sound like you still have them), can he teleport your main character?
Can you select a character using the portraits and then select a destination somewhere on open ground?
Can you teleport a crate or barrel, etc, or do you have any problem teleporting opponents in combat?
If you are playing on PC:
If your are using the keyboard UI, do you have a controller you can test with?
Try verifying local files: in the Steam library, right click on the game and select Properties, switch to the Local Files tab and then click on the 'Verify Integrity of Game Cache...' button.
With the GOG version, in the (optional) Galaxy client, select Divinity: Original Sin 2 in the left column, then click on the More button, and in the Manage menu select 'Verify / Repair'.
