org.springframework.dao.InvalidDataAccessApiUsageException: org.hibernate.TransientObjectException: persistent instance references an unsaved transient instance of 'domain.entity.Post' (save the transient instance before flushing) - thought-corner/Backend-PlayGround GitHub Wiki

org.springframework.dao.InvalidDataAccessApiUsageException: org.hibernate.TransientObjectException: persistent instance references an unsaved transient instance of 'domain.entity.Post' (save the transient instance before flushing)