Trial of Crippling Grief - Cannot connect to instance.

That subarea has expired because it is no longer the most recent child instance for this area.

Bug Report Reference # 3,897,046,857

Took a peak into the Trial to see what kind of traps were there.
Then went and did the Zana mission in the same map.
Took my loot back to my hideout and re-entered the map.
Came back and received the above message.
It won't let me into the trial.

Fortunately, I have completed all of my trials on this character.