In order to address the issues that have been occurring with the World transfer service due to an unexpectedly high volume of traffic, on Oct. 16, 2013 at 7:45 (GMT), we implemented countermeasures to lighten server load.
We will continue to monitor any instances of congestion and heavy load, and strive to provide players with the optimal gameplay experience.
We apologise for any inconvenience and thank you for your patience.