https://www.dropbox.com/s/hjc945zi8em0s2u/Capture3.PNG?dl=0
After I updated your mod a minute ago, this happened. When I remove only your mod the game boots up. Hope this helps :D Neat mod.

Sorry I forgot to mark as a bug, wont let me edit it either

Same here. https://ibb.co/bsoZSx

Seems to be some conflict with Flare Stack 2.1.7. If either is disabled the game loads fine. Still digging

Ok, in Flare Stack_2.1.7\data-final-fixes.lua there is a method that is "create incineration recipe for any item, and any chemical fuel with less energy than coal".
It is scanning through data.raw.item and picking out many items that are not fuel. I suspect a flaw in the intended logic

So Flare Stack is working as intended though it assumes all items have a 32 pixel icon as it generates recipes for the incinerator. Scanning Radar has a couple hidden items that should never end up in the character inventory. Flare Stack is still generating incinerator recipes for them. I assigned a 32 pixel icon to the items in the name of compatibility. New version is up.

Ahh thats what it was. Thanks for fixing that!