ROLE field (old security), login

1) register new user (UI)
In table USERS (DB) field ROLE have value USER_ROLE
Set ROLE=NULL (this old field, and a new security should not affect)
2) add this user to Admin group (DB)
3) go to main page
4) click Sign in
5) enter login and padd to our user, and click OK

actual Popup is closed, but user not logged.
expected user should login

if SET value USER_ROLE to ROLE field, login is OK.