Error while applying migration: Double Furnace:
DoubleFurnace_0.1.1Jua
DoubleFurnace/migrations/DoubleFurnace_0.1.1Jua:9: attempt to
index field ‘double-smelting-tech’ (a nil value)

stack traceback:
2__DoubleFurnace__/migrations/DoubleFurnace_0.1.1Jua:?: in main
chunk

Could you test 0.5.1?

thanks, It works!

Works. But the game constantly crashes. When attacked by a biter. Disconnected for now. waiting for further fix.

I have no idea how this mod could be connected to crashes from biter attacks 😳
Think it must come from something else 🤔

This message pops up when the game crashes......

Unexpected error occurred. If you're running the latest

version of the game you can help us solve the problem by
posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be
using, and any steps you know of to reproduce the crash.
Log file location:
C\Users____\AppData\Roaming\Factorio\factorio-current.loq
Would you like to open the folder containing the log file?

I think this is a case for the official forum, please post there

ОК.

Found the reason. The reason was in the mod: Blueprint Extensions (Continued)