Smoked My Cooked Cod and now it won't stack right?

I pulled some Cooked Cod out of a Smoker (I used Charcoal if that's pertinent,) and it won't interact with any of my other Cooked Cod. I have tried every method of mixing the stacks, and nothing has worked. After "Turning it off and back on again," it wasn't fixed. I can eat it, but it acts like it's a full stack when interacting with other Cooked Cod. I pulled another bit of Cod out of the same Smoker onto another half-stack, and it interacts with the stacks fine.