I'm the dev of Automated Crafting which just had this issue opened.

I'm pretty sure it's because automated crafting has a CraftingInventory with an (unused) CraftingScreenHandler with a null player, and Cardinal Components tries to access the null player.

I can't think of a decent solution to this other than adding a null check in cardinal components, but I'm open to suggestions.

This is an issue with Requiem, not CCA.

oh, thanks