There was a server breakdown around two hours from April 30th to May 1st. It was because the network communication problem in our server supplier's end. We understand many active players have been bothered and suffered some loss. We feel very sorry for any inconvenience this may have caused.
If you encounter any problem during it, please contact your in game support. The whole support team are working around the clock to make things right. It might take a while, but please have faith in them.