пароль должен соответствовать
Цитата | Quote
The password is at least six characters long.
The password contains characters from three of the following four categories:
English uppercase characters (from A through Z)
English lowercase characters (from a through z)
Base 10 digits (from 0 through 9)
Non-alphanumeric characters (for example: !, $, #, or %)
т.е. быть вида QQaa1234, насколько я помню.