A system error occurred during event movement.

[Blank0022]

Cactuar. Cannot do my level 15 pug quest. Get this same error, and sometimes black screen forcing me to alt f4.

[Surrian]

Time: 12:18 MST
Frequency: Three times then stuck.
World name: Sargatanas
Character name: Surrian Greystone
NPC name: Injured Healer
Monster name: N/A
Class/Level: Conjurer 10
Party or solo: Solo
In-game time: about 7:18pm
Area and coordinates: Central Shroud - Spirithold
Steps:
1. Clicking NPC to initiate next part of quest 'Spirithold Brokne'
2. Asks if want to proceed + clicked proceed
3. All interaction are frozen, can't escape or anything, had to shut down game and restart.
4. "A system error occurred during event movement." in chat and NPC is deselected automatically.

[Alex83]

Time: 12:51 MST
Frequency: 4 times
World name: Gilgamesh
Character name: Anri Hei
NPC name: Wystan and Prime Location (Ul'dah's Most Wanted)
Monster name:
Class/Level: Gladiator lvl 15
Party or solo: solo
In-game time: 10:00 am
Area and coordinates: sil'dih ruins and tunnel for Ul'dah's most wanted
Steps:
1. click NPC Wystan and Prime Location
2. click to proceed
3. can't move then error pops up

[Nonew]

Time: 2:30 est
Frequency: 4
World name:Behemoth
Character name: Parthanax Da'vicious
NPC name: Painted Mesa
Monster name:
Class/Level: Lnc/20
Party or solo:solo
In-game time: 2:00
Area and coordinates: Ul'dah 11X:Y9
Steps:
*1.Clicked npc to initiate quest " Into a Copper Hell''
2.Ask if I wanted to proceed + click
3. Character stays frozen on npc
4. " A system error occured during event movement".

[Ezmaralda]

I get that when i queue for Duty Finder on my lvl 17. Also when i queued for Feint and Strike in Swiftperch my screen turned black and i had to go to desktop to close the game.