jQuery Validation errorPlacement method issue

errorPlacement method triggers when a field is valid. Why is that happen ?
Note :- log prints in console when errorPlacement method triggers.
URL :- https://yushanwebdev.github.io/problems/form-progress-bar/
Repo :- https://github.com/yushanwebdev/problems/tree/master/form-progress-bar
Issue :- https://github.com/yushanwebdev/problems/issues/1