URLLoader stoped working in Animate2020 works fine in 2019

[mistergiant]

Opend an old project that needs updating

URLLoader stoped working in Animate2020 works fine in 2019
ioError:. text=Error #2032: Stream Error. URL: http://servername/abc.xml?0.2708006724715233

What changed? How do I fix it?

[fcs97241519]

I'm having the same issues when testing a movie.  Using debug it works as long as I change the "Local Playback Security" in Publish Settings to "Access Network Only".  Did you find a resolution?  Thanks!