No not really.

But every autosave of that map before this one is dead as well now for some reason

Of course
I forgot

Everytime I load my last save the game crashes...

I have no idea why...

because the attachement log is not allowed... here the log

277327.511546 Info Logger.cpp:153: 2015-03-07 16:50:48; Factorio 0.11.17 (Build 13721, win64)
277327.511641 Info Logger.cpp:157: Operating system: Windows 7 Service ...

*push*

We really need help with this
We want to play with this save again

Well.. When I try to connect to my friends server my game instantly crashes, without a specified reason.
Same thing when he tries to connect to my server with the same save file.
It worked fine yesterday.
I am not quite sure, but we have many drones flying around.. maybe thats the reason

We are ...