Achat do have an automated system that make inactive accounts disappear from the game after about 40 days (6 weeks) or so.
If it is a paid account, the account (avatar) appears again on log in.
Accounts that have never paid are disabled and cannot be activated again. I believe it shows as “Login Failed! Wrong Username or Password!”

If this happens, the free user account is lost and you will need to register a new account.
The way round it, is to stay active or pay at least once for your account.
The cheapest payment is $9.95 for 1500 Achat Dollars
This will buy you 3 days or 1 month Premium and A$ to spend in the shop.
It is worth doing if you have invested time and money into your Avatar. It is very good value for money.

