Crash (unsure cause)

[darkdaemon]

Playing a long game, had Factorio running for about 8 hours. No mods. I was just running along when it crashed, not sure of cause but figured I'd upload just in case.

[kovarex]

Thanks for the report, but we weren't able to deduce the error from the log this time.
If you find a way to reproduce it, let us know.