[Bug] Sheep to the Slaughter

Time: Any
Frequency: Always
World name: Balmung
Character name: Livilda West
NPC name: Martiallais, Saistenioux
Monster name: N/A
Class/Level: GLD 36
Party or solo: Solo
In-game time: Any
Area and coordinates: Central Coerthas Highlands
Steps:
1. Gather the necessary items to complete Sheep to the Slaughter.
2. Deliver the supplies to four sentries.
3. Two out of the four sentries, listed above, do not respond to right-click, no dialogue opens, no item turn-in activates.

Connection Specs
- Type of internet connection/provider: Comcast
- Modem maker/model number: Irrelevant

PC Specs
Intel i5 4570; nVidia Geforce 780; 12GB RAM