There's a quest that the Magician Guildmaster in Erudin gives you wherein he wants you to get some remains from Warden Lius in the Erudin City Office. The problem is that Warden Lius does not seem to exist. Here's a link to show that the Warden should exist:
http://web.archive.org/web/200111010...h.shtml?id=550
If you look at the picture of the Warden in that link it looks like he has been replaced with this guard:
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Oh and finally here's a link to the quest in question which I know exists in-game as the Magician Guildmaster gave it to me:
http://web.archive.org/web/200012040...html?quest=136