What happened personal shop usage restrictions ?
Converse with fellow players
They are working on them and they are down for everyone.
it say: There is currently a problem with the selected function Use is restricted for investigation. Please check the player's site for details.
I read some asshats in JP were hacking the player stores to get items without paying and unlocking items that haven't been released yet. So Sega shut it down before players lose their shit (literally).