Unable to complete Botanist 50 quest (Can't talk to Roiteloin)

[Ryuko]

Time: 9/26/2013 (Approximately 3am EST)
Frequency: Constant (tried redoing quest -- no success)
World name: Hyperion
Character name: Ryuko Kanzeon
NPC name: Roiteloin
Monster name: ---
Class/Level: Botanist 50 (quest)
Party or solo: Solo
In-game time: 7:51am (server time)
Area and coordinates: Coerthas 23, 24
Steps:
1. Pick up 50 Botanist quest from Fufucha
2. Continue quest from Yannie (she tells you to go speak to Roiteloin at Timberroad Lodge in Coerthas)
3. Attempt to speak to Roiteloin
4. Roiteloin will not respond. Right-clicking him does nothing.

Please note: I tried to find a 'fix' to this issue myself. First, I relogged. Then, I restarted the game. I even tried dropping the quest and picking it up again. Nothing works.

Another person trying to continue the same quest came up beside me and could not talk to him either.

If I drop the quest, I am able to talk to him (he gives me the default NPC monologue when I do this)... but while I am on the quest, I cannot speak with him at all.

He displays the little 'quest continue' sign over his head as he properly should while I am on the quest.

Not relevant, but will include:

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