didn't get credit for dungeon quest

[Aoinar]

I just completed Dzemael Darkhold for the quest "Shadows Uncast" and did not get credit for it. I am concerned because I need this quest to advance with my grand company. My connection is cable broad band. This was on 3/3/2015 at approximately 8 pm mst. My character was Lavender Aonair, race Hyur, on Siren (world). Class is conjurer, job white mage. This occured after completeing Dzemael Darkhold for the quest Shadows Uncast. I was in a party formed through duty finder. I did die during the final battle but was not dead when it was completed.