[1.16.1] [Solved] Custom Recipe Type Breaking At Runtime

[EnderUnknown]

I made a custom type of recipe to use with my tile entity. The tile entity acts similar to a furnace, but not enough to use a abstract furnace recipe or whatever it is a called. The issue is that when I start smelting materials using it, within the first stack of items, seemingly at random, the recipe's ingredients and outputs become null/ItemStack#EMPTY. I know the recipe isn't null as it's id shows properly when logged to the console. If I use the reload command to reload the game data, the broken recipes then work again for another few items until then they break again. Intriguingly, it is as though the recipe breaks not the tileentity as if a recipe breaks in one of my tile entities, then I cannot use said recipe again (without a reload) in any other in the world. Also, if I try a different recipe, the tile entity will process the materials correctly until that recipe breaks too. I don't know why the recipes are being modified at runtime. Any help would be appreciated,

Thanks!

[EnderUnknown]

That was the problem. Thanks!