I have 2 hours in with .16.x and I've not seen the issue again.

However, my saved games are on .15.40 now. I'm keen to get back to those games (180 hours in to 1 map )

Here is another crash today from the same map instance (same mods). I played about 3 minutes. 1 successful autosave, then a crash about a minute later. The error doesn't appear to be " "FluidBox::calculateSimplePipeCombination"

https://pastebin.com/zSspTAT6

0.001 2017-12-16 09:43:54; Factorio 0 ...

I've had 10 crashes in the last few days with very similar crash reports. The Crash is fatal and closes the game.

At this point, I can't find any particular thing that precedes this in the game. Sometimes I can play for an hour or two. Sometimes I get several crashes in a row without even an ...