That is in Riften. I tried in the guild hall as well, at the crafting station there. I thought it may be a guild hall thing which is why I then went to Riften.
Favourite NPC: Wine-For-All
Mostly PC-EU , with a lonely little guy on NA.
Make sure you don’t have any desktop processes or desktop pop-ups in the background, @cyberjanet ... those will interfere with your interactivity with the game UI.