We have seen the white screen under these circumstances:
- Publish a Rise course to the LMS and learners start using it.
- Make a structural change to a course by either adding or deleting a Rise lesson.
- Republish the course to the LMS.
- Learners that were "still in progress" will see the white screen and will be unable to do anything, because the resume data no longer matches the course.
- We do not have the option to delete their resume data.
- We have to remove the course and reassign it before they can take the course again, but learners will lose all of their progress data and need to restart.