I am not able to go to next question in module 7 question.

Answer 1

Could you be more specific, there are several courses here so I don't know which one you mean.

Answer 2

For all questions, you can find answers in lesson. So just read again.
Or ask with specific question for answer.
If you know that your answer is correct and it's a bug, then you can report via inapp feed back option as bug report.
Or mail to [e-mail]. They will fix that.