Tab Order: Storyline skipping first object on non-base layers?

I'm having similar issues in using JAWS and hoping someone can help. I am using Storyline 360 and the Modern Feedback layers (Incorrect and Correct) for a quiz. When a user gets the question wrong (or correct) they are taken to the appropriate feedback layer. When the user tries to select TAB to go to the CONTINUE button, the TAB takes them directly to the "Skip  Navigation..." link and not the CONTINUE button. I have to select CTRL+TAB to get to the CONTINUE button. I'm assuming the Feedback Layer is not in focus, but I can't seem to correct help. I appreciate any help you can provide.