FNEI mod. All recipes for items and usage for them.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
This will crash out the game completely, tested in both multiplayer and single player, same crash: Game version: 0.17.20 FNEI: 0.2.3 Crash log: https://pastebin.com/nF0TuG4p
looks like this was a Factorio issue, they fixed it in 0.17.21. Please close this