I’m using the Android app. I’ve finished Japanese 3 - 16 (“Contamination!”). When I try to go on to 3 - 17 (“Cracking Kanji”) I get an error (“Sorry, there was an error loading the content!”). If I skip past it, 3 - 18 (“Phrases: Impress Them!”) seems to work OK.
Is 3 - 17 broken?