Unexpected process exit

I am venturing in to using radiation and a simple model of a room with warm body in it runs very well in heat transfer however when I engage radiation it fails.

The failure occurs at the time when the program was to update the image and gives and stops cold and give this

volume [www.1836.5] RANS Flow; Failed
Unexpected process exit.

Any fixes for this?


Share the project file

You will have to share the project file (.sym) with me so I can diagnose the problem.