@User - There are two different types of hold violations in my understanding -- see https://docs.google.com/drawings/d/1rmeexB6Mx0fByfqi0bQkJ47QQUAa_sICSFYFScVcOy0/edit

This slide deck may help understand hold timing violations: https://drive.google.com/file/d/1RCgTxVVyvpwQg1b0XkPw6PgOuziVx7q6/view