Can't complete main story quest "Drowning out the Voices"

[MrMaggot]

Completion for the quest is stuck at 4/5. When I try to use the electromagnetic meter on the last prime location, its immediately interrupted.

Time:Friday December 20th, 2013 7:00AM
Frequency: Constant
World name:Exodus
Character name: Corneria Chellane
NPC name: "Primary Location"
Monster name: N/A
Class/Level: 45 BLM
Party or solo: Solo
In-game time: Any
Area and coordinates: Mor Dhona 17,8
Steps:
1.Use Electromagnetic Meter on Prime Location
2. Meter immediately interrupted
3.
<*Add more steps if necessary>