Since you cannot specify what the problem was, the only report that we pay attention to is "My translation should have been accepted." All other are simply deleted. If you have a comment or question about something else, make sure to come to the forum as you have done here.
The Duolingo system is having problems looking up the hints for words that start with a '. The programmers are looking for a solution and we hope to have that fixed soon. For now, you're going to have to guess and then learn the word from the correction that Duolingo gives you.