[CLIENT] Gifting not working to a first logged-in account

My friend has just logged in for the first time in her history, while I was online. The issue is that I cannot gift her with anything (You are unable to send this gift for one of the following reasons: "ERROR_CREATING_FFG_ACCOUNT_NICKNAME") Tested after my relogin, the issue persists. Gifting to the others works properly. Seems like the system thinks that it's a still nonexistent/not first logged-in account. Bug reproduction: 0. Log in with your account

1. Create a new account
2. Make a clean client installation
3. Log in with that account
4. Try to send a gift to a 2nd acc from the 1st
5. See the issue.