Playing the mod version 1.01

New Hope Level 04
When Oil processing technology is researched the game crashes

I'm playing Factorio 0.18.17 (build 50462, win64, steam)

Log:

The scenario level caused a non-recoverable error.
Please report this error to the scenario author.

Error while running event level::on_tick (ID 0)
core/lualib/story.lua:167: attempt to index upvalue '_ENV' (a nil value)
stack traceback:
core/lualib/story.lua:167: in function 'condition'
core/lualib/story.lua:103: in function 'story_update'
...Data/Roaming/Factorio/temp/currently-playing/control.lua:484: in function <...Data/Roaming/Factorio/temp/currently-playing/control.lua:483>

Thanks for the very detailed report. Perfect !
This should be fixed in 1.0.3

I started this mission over with version 1.0.3 on Factorio 0.18.17 and had to save before Oil Processing researched. After I loaded, the research finished and I still got this same error.

OK so I really need to use the new story_2.lua to avoid all of these crashes after a saving/loading process.

I have converted the level 4 in patch 1.0.4.