Dranicron

That would be a different bug. This one only happens under very specific (but very common) conditions: 1. Removing a 2: Symmetrical, 3: Stagable part in VAB or SPH. Also from SunBurstMoon: Example video here. If you have that bug, it will apparently be fixed in the next build. If you have a different bug... YMMV.

After searching some more, I found the issue on the bug tracker. http://bugs.kerbalspaceprogram.com/issues/8241 Possible workaround from user SunburstMoon: So when you first start the game, trying entering, exiting, and then entering VAB again. Might prevent the bug.

Same here. All the post crash output logs look something like this:

So I had 2 contracts for 6 tourists who wanted to go on a suborbital flight, I made it to suborbit and got the check mark for all of them for that stage of their itinerary, I had a hard landing and the engine blew up but the rest of the craft appeared to be fine. I recovered it, but it didn't give me any "mission complete, crew recovered, money stuff" popup. 1 of the 2 contracts disappeared completely but the other still shows as active and partly completed. This is the weird part, from my save file: Only relevant contract: This was the pilot: No missions or debris in Tracking Station. Output.log: https://www.dropbox.com/s/ydqxet416upb0f8/output_log.txt?dl=0 Save file: https://www.dropbox.com/s/djkc9fh4eppijak/persistent.sfs?dl=0 Only mod is mechjeb, which I'm about 95% sure isn't causing this.