Persistent background dissapearing

WOW, I can’t believe it but I do believe I MAY found the solution.

Using the information here: Modify the Background Color or Background Image of your Document

I found that making the background transparent actually fix this error:
RE-RE-Heuristic_6-JHSv1.hype.zip (405.8 KB)

Sure, it nows ignore the background color set inside Hype, but its not a big deal now.