Personality type theory can help understand some of the causes of conflict in a relationship. But there is much more to it than simply having different preferences. Conflict can also be caused by type dynamics. This describes how the preferences relate to each other inside the individual, and how they relate to the context.
Conflict in the workplace has many sources. One of them is when colleagues have different personality type preferences. For example, extraverts like to develop ideas out loud. Introverts prefer to think them through.
Both approaches can work well on their own, but they can cause conflict when used together – that is, if we assume other people think like us (and that is a very common assumption):