Crashes when used in combination with AbandonedRuins (aka, The Ruins Mod) when the AbandonedRuins mod attempts to spawn a ruin with (I suspect) a car in it. I've put a map exchange string below that, so far for me, has consistently repro'd it immediately on start, but I have noticed inconsistencies in the deterministic nature of AbandonedRuins before (may only be when in combo with other mods... I don't know) in what it spawns where, so I don't know if it for sure will work for you (if you want to test for yourself). I only noticed it recently when messing around with map editor to test a new build idea outside of my main game (which I started months ago), but I had found cars previously in that game without error, so I'm guessing something happened more recently.

Map Exchange:

>>>eNpjZGBkyGYAgwZ7EOZgSc5PzIHxQJgrOb+gILVIN78oFVmYM
7moNCVVNz8TVXFqXmpupW5SYjGKYo7Movw8dBNYi0vy81BFSopSU
4uRRbhLixLzMktz0fUyMG6/06bd0CLHAML/6xkU/v8HYSDrAdAvI
MzA2ABRCRSDAdbknMy0NAYGBUcgdgJJMzIyVousc39YNcWeEaJGz
wHK+AAVOZAEE/GEMfwccEqpwBgmSOYYg8FnJAbE0hKgFVBVHA4IB
kSyBSTJyNj7duuC78cu2DH+Wfnxkm9Sgj2joavIuw9G6+yAkuwgf
zLBiVkzQWAnzCsMMDMf2EOlbtoznj0DAm/sGVlBOkRAhIMFkDjgz
czAKMAHZC3oARIKMgwwp9nBjBFxYEwDg28wnzyGMS7bo/sDGBA2I
MPlQMQJEAG2EO4yRgjTod+B0UEeJiuJUALUb8SA7IYUhA9Pwqw9j
GQ/mkMwIwLZH2giKg5YooELZGEKnHjBDHcNMDwvsMN4DvMdGJlBD
JCqL0AxCA8kAzMKQgs4gIObmQEBPtgzFGs3ngEAiTmh1A==<<<

Error received:

The mod The Ruins Mod (1.1.6) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event AbandonedRuins::on_tick (ID 0)
The mod Autodrive (1.1.11) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event autodrive::script_raised_built (ID 79)
__autodrive__/scripts/vehicle_functions.lua:120: attempt to index field 'vehicles_orig_color' (a nil value)
stack traceback:
    __autodrive__/scripts/vehicle_functions.lua:120: in function 'store_orig_color'
    __autodrive__/scripts/event_handlers.lua:1212: in function <__autodrive__/scripts/event_handlers.lua:1189>
stack traceback:
    [C]: in function 'create_entity'
    __AbandonedRuins__/spawning.lua:45: in function 'spawn_entity'
    __AbandonedRuins__/spawning.lua:94: in function 'spawn_entities'
    __AbandonedRuins__/spawning.lua:172: in function 'spawn_ruin'
    __AbandonedRuins__/spawning.lua:184: in function 'spawn_random_ruin'
    __AbandonedRuins__/control.lua:58: in function <__AbandonedRuins__/control.lua:53>

Thanks for the report! I've forgotten to initialize global.vehicles_orig_color. This kind of worked in my test cases because the table must have been initialized by the time I've placed cars. But on starting a new game, AbandonedRuins may create cars almost immediately so this becomes a problem.

The fix is straightforward, insert the following before line 643 of autodrive/scripts/event_handlers.lua:

  init_table("vehicles_orig_color")

I'll upload a fixed version when I've fixed the other bug that was reported yesterday. :-)

I'll try that later tonight and see if it works. To note, though, there are some cases where AbandonedRuins doesn't immediately create one, but then after getting a map chunk to generate where AbandonedRuins does create one, it still crashes. Probably still related/will be fixed by the same thing, but felt it worth pointing out.

My existing playthrough that didn't crash that I mentioned, I haven't actually expanded and explored in quite some time. I don't know if I was and to find a car there if the issue would still happen or not. I've only tested against new maps.

Yup, looking good!

Should be fixed in version 1.1.12!