I've hit level 18 in French twice?
This isn't exactly a huge problem, but it's pretty odd. I achieved level 18 in French about a month ago, and just now, I was doing the French for German speakers course. At the end of a lesson, it said I had reached level 18 in French, and gave me 18 lingots (which I really don't need). Anyone who can offer a reasonable explanation of this phenomenon will receive my undeserved 18 lingots. Thank you!