In the Nullius modpack, the mod is refusing to interact with the boxed volcanic separation 1 recipe. The game crashes if you try to read the recipe of a machine doing the recipe, and it is not available as a signal to write the recipe. Crash report below:

The mod Crafting Combinator (0.16.3) caused a non-recoverable error.
Please report this error to the mod author.

Error while running event crafting_combinator::on_tick (ID 0)
Unknown virtual-signal name: nullius-boxed-volcanic
stack traceback:
[C]: in function 'newindex'
__crafting_combinator/script/cc.lua:200: in function 'update'
crafting_combinator/control.lua:107: in function 'run_update'
crafting_combinator/control.lua:117: in function <crafting_combinator/control.lua:109>