What is a “Category Mistake” you ask? OK, you probably didn’t actually ask, but here’s an answer anyway.
The term “category mistake” is a philosophical term that was introduced to philosophy by Gilbert Ryle. In his view, one makes a category mistake when one attributes a property to a thing that it can’t possibly have. For example, one might say that “the movie is low in cholesterol.” The problem with that, however, is that the only things that can be low (or high) in cholesterol are, roughly, things that one can ingest.
Another (controversial) example of a category mistake