I posted this on the old forum, but it seems to have disappeared. I'm running VW2016 SP4 on OS X 10.11.6 with Architect and RW. I've got a brand new 27" iMac, and now (it worked perfectly on my old computer, with exactly the same software) whenever I run solar animations, it renders two frames and then gives up without an error. This happens even on a brand new file, with only a helidon object in it. I've reinstalled VW and the same behaviour occurs. Any ideas? Console prints out a