Personality clashes

Name(s): 
Conflicts of personality
Temperamental differences
Nature

A personality clash occurs when two (or more) people find themselves in conflict not over a particular issue or incident, but due to a fundamental incompatibility in their personalities, their approaches to things, or their style of life.

A personality clash may occur in work-related, school-related, family-related, or social situations.

Source: Wikipedia

Type 
(F) Fuzzy exceptional problems