Forum Discussion
Black screen with loading dots
Hi,
In my course, once learners have completed all sections, they are taken to an overall results slide.
However, when selecting the next button to navigate to the overall results slide, a black...
yes it happens for me also (checked with Chrome)
https://360.articulate.com/review/content/6f7adbe7-9f8d-46a3-a782-d146bd3b0b68/review
a peek with the result
https://360.articulate.com/review/content/1167b909-3337-4e4f-b399-172c62731872/review
and I get many errors in the browser console
many (> 50):
- Uncaught TypeError: Cannot read properties of null (reading 'el')
then
- Uncaught TypeError: Cannot read properties of null (reading 'componentWillReceiveProps')
- Warning: setState(...): Can only update a mounted or mounting component. This usually means you called setState() on an unmounted component. This is a no-op. Please check the code for the AccText component.
- Uncaught Invariant Violation: findComponentRoot(..., .1.0.1.0:$_player=16CxZNxEGPOu=1675S9n5iqJR): Unable to find element. This probably means the DOM was unexpectedly mutated (e.g., by the browser), usually due to forgetting a <tbody> when using tables, nesting tags like <form>, <p>, or <a>, or using non-SVG elements in an <svg> parent. Try inspecting the child nodes of the element with React ID ``.
- ...
Hi Jurgen,
Thanks for your help!
Did you find the errors upon 'inspecting' the Review webpage?
I'm not very familiar with code so I'm afraid I don't quite understand what those messages mean.
Is there any way to pinpoint/correct the cause?
Thanks
