I'm seeing the same, also with Bob's/Angel's. I get the error when attempting to place landfill

I was able to work around this error by editing the file called out in the error, and commenting out (-- before each line) all lines in the function that contains line 387. This however, does disable ...

Mods will disable reporting achievement progress to steam (basically disabling achievements). You will still get the achievement, but it is only for that save, and it does not get reported to steam.

the vanilla resources weren't horrible for me on that map. I do have a world with RSO currently. it takes a bit more work to get to the good patches of resources compared to vanilla, but once you have ventured far enough out, it's a lot less hopping from spawn to spawn.

I suggest playing through on ...

Give this exchange string a try:
>>>AAANAAkAAgADBQYAAAAEAAAAY29hbAMFBQoAAABjb3BwZXItb3Jl
AwUFCQAAAGNydWRlLW9pbAMFBQoAAABlbmVteS1iYXNlAwMDCAAAAGl
yb24tb3JlAwUFBQAAAHN0b25lAwUF9cPSWYCEHgCAhB4AAwDeKWt1<<
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I used it on 0.13.0 to start a new world. within a few steps it has iron, coal, stone, and ...

My mod was not updated for the update that changed (removed) onsave and onload events. I have noticed a very similar mod that is currently available: https://forums.factorio.com/forum/viewtopic.php?f=93&t=18711#p121186 . I may update this mod later (I'm thinking 13.x) but will decide later.

I ...