About Error can not Progressed in the Event "Hatsune's Great Present" in Extra Story

3 April 2019 (Wed) The following problems occurred until 15:58.

~ Description of defects ~

It may be impossible to progress at the event "Hatsune's Gift Great Battle" in the Extra Story.

In addition, this bug has been corrected.

We apologize for any inconvenience this has caused to our players.