Cannot create new user after upgrade to v1.7.0

==== Required information ====
- iRedMail version:
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version:
- Related log if you're reporting an issue:
======== Required information ====
- iRedMail version: iRedAdmin-Pro-MySQL-1.7.0
- Store mail accounts in which backend (LDAP/MySQL/PGSQL):
- Linux/BSD distribution name and version: FreeBSD 9.1
- Related log if you're reporting an issue:
====
After upgrading, I cannot create user with the warning:
int() argument must be a string or a number, not 'NoneType'
though I had insert every bottom
=====