"Invalid Answer" Popup. Help Please!

Can you post a slide, this normally happens if something is not selected and you press submit

This happens when a user has made a selection and not otherwise.

I have attached some slides as requested.

Many thanks.

Hi Ettore and welcome to E-Learning Heroes! You mentioned that this happens sporadically and I'm not seeing it in the file that you shared. 

I did notice that the second slide you shared, has the feedback set to 'By Question', which could cause this pop-up to occur when the wrong answer is selecting as opposed to just scoring it:

Leslie,

Thanks for the pointing this out. I will check all  my slides and correct accordingly and test once again.

Hopefully I will no longer get a "Invalid Answer" popup when a user submits a question slide with a selected response. If happens again, I will send support the full story file.

Many thanks for now.

Ettore, you may also want to check in the triggers panel to be sure you don't have a trigger erroneously set to submit the interaction when the timeline ends.

Sounds great Ettore! Thanks for the update

My  triggers are not set to submit when the timeline ends.

One thing I have noticed is this: all the slide now work well when single clicking on the submit button, however, every time that I double click  the submit button, I get an "Invalid Answer" popup. This happens on about 60% of the slides.

Is this a problem with the Storyline player?

I can post the entire quiz if necessary.

By the way, I have tried a demo articulate quiz and this happens on some slides as well:

http://www.articulate.com/images/products09/product-files/quizmaker/EmpSatSurvey/quizmaker.html

NOTE: This happens on Question 2 ( the ranking question). I just rank one item and double click submit it fires off the "Invalid Answer" popup always.

Hi Ettore! Looks like Justin is assisting you with this question here.

8 years ago and it's still happening? Hmm. I need some help! If a user clicks anywhere on a freeform quiz slide, they get an Invalid Answer pop up. How do you fix this? Thank you!