Not able to add known words

Is this a known issue? I thought it was maybe my google chrome again but it does this in explorer too.

Hi @nate81, do you mean adding separate words as known or moving all remaining blue words to known? would you make a screenshot for us? Thank you and sorry for this trouble.

I’ve this problem too. The problem occurs when I want to move all the remaining blue words to known words when I’ve finished a lesson.

PS. I’m on Firefox and Windows 7.

@nate81, VeraI - Thanks, we’ve identified the cause of this issue and are working to resolve it now. We should have things back to normal shortly!

Thanks alex, it’s working now.