There is a gap between self perception and reality ... what is it called?

Incongruence, is the right answer.

Explanation:

The concept of incongruence was introduced by Carl Rogers in the decade of 1950. In a conventional context, the meaning of incongruence is inconsistent or incompatible, however, Rogers used this term as the matching of knowledge and experience. Accordingly, it lacked the congruence or possessing emotions not regulated with your transactions. Moreover, there is a gap between self-perception and reality.