This is seen in all of nature. And because of natural laws, some things are possible, others are not possible, and some things actually exist, while others do not. The 8 mental processes do not pair arbitrarily, but pair to meet developmental demands - at least one for the inner world and one for the outer world, and at least one for perception and one for judgment. Thus, models interlock in a certain way, naturally. If the theory of how two models relate says one thing, and the apparent result is something different, a misalignment, then there is error or aberration of some kind.
Error is inevitable.
In family systems theory, triangulation refers to three people in a relationship. As an analogy to using multiple models, a third person introduced to a system may be needed to resolve conflict between two people. Sometimes there appears to be a conflict between two otherwise compatible models. The conflict is actually lack of adequate information. Introducing a third model can resolve and clarify.