Opportunity Knocks Story mission (Cannot complete)

Time: 10:50 PM OCT 7, 2013
Frequency: Always
World name: Ragnarok
Character name: Blood Gestalt
NPC name: Clotairion
Monster name: Feral Crocs
Class/Level: 50 WAR
Party or solo: Solo
In-game time: 1:50 am
Area and coordinates: Coerthas Central Highlands, Whitebrim Front
Steps:
1. Accepted mission
2. Killed crocs
3. Couldn't complete the quest

same here
Time: 10:00 PM OCT 8, 2013
Frequency: Always
World name: Ragnarok
Character name: Alastor Moonsilver
NPC name :Clotairion
Monster name: Feral Crocs
Class/Level: 44 WAR
Party or solo: Solo
In-game time:
Area and coordinates: Coerthas Central Highlands ,Whitebrim Front
Steps:
1. Accepted "Opportunity Knocks" main story mission
2. Killed Crocs
3. Clotairion's text doesn't show up to complete the quest

same here
Time: 8:45 PM OCT 8, 2013
Frequency: Always
World name: Ragnarok
Character name: Lawen Ashal
NPC name :Clotairion
Monster name: Feral Crocs
Class/Level: 40 BRD
Party or solo: Solo
In-game time:
Area and coordinates: Coerthas Central Highlands ,Whitebrim Front
Steps:
1. Accepted "Opportunity Knocks" main story mission
2. Killed Feral Crocs
3. Clotairion's text doesn't show up to complete the quest

Same here :
Time: 9:00 PM OCT 8, 2013
Frequency: Always
World name: Ragnarok
Character name: Wonsul Ran
NPC name : Clotairion
Monster name: Feral Crocs
Class/Level: 40 MNK
Party or solo: Solo
In-game time:
Area and coordinates: Coerthas Central Highlands ,Whitebrim Front
Steps:
1. Accepted "Opportunity Knocks" main story mission
2. Killed Feral Crocs
3. Clotairion's text doesn't show up to complete the quest

Same here. Around 10 people have reported the same thing just while I've been trying to interact with Clotairion in-game.

Time: 10:15 PM OCT 8, 2013
Frequency: Always
World name: Ragnarok
Character name: F'reya Seidhr
NPC name: Clotairion
Monster name: Feral Crocs
Class/Level: 40 DRG
Party or solo: Solo
In-game time:
Area and coordinates: Coerthas Central Highlands ,Whitebrim Front
Steps:
1. Accepted "Opportunity Knocks" main story mission
2. Killed Feral Crocs
3. Clotairion has green tick quest marker, but does not respond to right-click

Thank you all for posting your concerns regarding finishing the Opportunity Knocks quest. I have made sure to submit all of your information to the development team, and they will thoroughly investigate this matter, based on your report. Unfortunately, I cannot guarantee that a direct response will be posted on this thread, but I do recommend checking Here or Here for any details regarding the development team's investigation.

Thanks for your report. Good luck and have fun!