there is no changed_nickname_at field in user table

[qwgrsftewg]

I've checked the https://github.com/YesknStudio/vmoex-framework/blob/master/var/data/vmoex.sql file, no changed_nickname_at

but there is a changed_nickname_at member variable in src\Yeskn\MainBundle\Entity\User.php

what the fuck?