I tried to import flashcards from a .txt file but it always says "Import Failed. The import did not complete succesfully." Not sure what I a doing wrong. Even if I try to import really simples files like this following one, I still have the same problem:
//My Flashcards
你好 ni3hao3 Hello!
再见 zai4jian4
//My Flashcards
你好 ni3hao3 Hello!
再见 zai4jian4