A system error occurred during event movement.

[Datgreg]

Same here. Both before and after maintenance

[Neimara]

Time: 15:06 BST
Frequency: Three times but could be all times. *Edit*On fifth try its now completely stuck.
World name: Adamantoise
Character name: Neimara Dsalv
NPC name: Airship Crewman
Monster name: N/A
Class/Level: THM 22
Party or solo: Solo
In-game time: about 12.34 pm CST
Area and coordinates: Horizon's Edge
Steps:
1. Click NPC to initiate next part of quest "The Company You Keep (Immortal
Flames)"
2. Asks if I want to proceed + do so.
3. Screen fades to black and I can still hear movement sounds of other players in the
world. This result lasts for more than ten minutes and/or it triggers the following:
4. "A system error occurred during event movement." in chat and NPC is deselected
automatically.

This error is still happening after the maintenance, and I am unable to start earning seals for my Grand Company.