PSO2 is currently undergoing Emergency Maintenance to address the frequent  disconnection errors experienced by players following the March 9th update.
March 10th Maintenance
- 3/10/2016 @ 12:00 ~ 17:00 JST
- 3/9/2016 @ 10:00 PM ~ 3:00 AM EST
- 3/10/2016 @ 11:55 ~ 17:30 JST
- 3/9/2016 @ 9:55 PM ~ 3:30 AM EST
Sega apologizes for the inconvenience and is considering some form of compensation. Additionally, the [Mining Base Defense] EQ @ 13:00 JST will be rescheduled. More news on that to come, so stay tuned.