[2.0.12] Crash autosaving while working with rails (Blueprint::save, targeter to not saved targetable)

[Lukas0120]

I was working on rails when I got an error that the game crashed the crash also happens in the middle of an autosave. I don't know what exactly caused the crash all I know is that I was building Rails/Signals from (I think it was from remote view) and then got the crash while doing an auto save (the auto save progress bar was visable when I got the crash)
This is the crash error message:
Unexpected error occurred. If you're running the latest version
of the game you can help us solve the problem by posting the
contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using,
and any steps you know of to reproduce the crash.

mods

- base
- elevated-rails
- quality
- space-age
- AutoDeconstruct
- BottleneckLite
- concreep-redux
- CursorEnhancements
- cybersyn
- DiscoScience
- discovery_tree
- even-distribution
- FactorySearch
- Fill4Me
- flib
- hide-space-age-spoilers
- Kux-BlueprintExtensions
- Kux-CoreLib
- Lighted-Poles-Plus
- Milestones
- pump
- RateCalculator
- show-max-underground-distance
- squeak-through-2
- StatsGui

I've attached the log file, my last successful auto save _autosave1.zip and an _autosave2.tmp.zip which could be the failed auto save the game tried to create.

[Rseding91]

Thanks for the report. Has this happened since? Do you know of any way to reproduce it?