The event for the song Error was a bit festa event held from January 31, 2017 until February 7, 2017. It was the sixteenth event to be held (the seventh bit festa event).
- [Error] Hinata (SR) (Card #257)
- [Error] Akari (SR) (Card #258)
- [Error] Ayame (SR) (Card #259)
- [Error] Mei (SR) (Card #260)