I got this on the latest version of factorio.
Failed to load mods: simhelper/funccapture.lua:249: attempt to call field 'upvalueid' (a nil value)
stack traceback:
simhelper/funccapture.lua:249: in function 'add_upval'
simhelper/funccapture.lua:249: in function <simhelper/funccapture.lua:220>
(...tail calls...)
simhelper/funccapture.lua:249: in function 'capture'
nixie-tubes/prototypes/simulations.lua:14: in main chunk
[C]: in function 'require'
nixie-tubes/data.lua:4: in main chunk
Mods to be disabled:
nixie-tubes(1.1.3)
I don't know if this is the right place for this sort of error so I'll be posting it on the main bug report forum too.