here is the quest: http://l2wiki.com/pavel's_last_research in point 16, i have both the key and the book, i have to use the key to "open" the book and get a new one (unsealed) to continue the quest, but when i use the key, the 1st book disappear but i dont get the new one, so i can't complete the quest, anyone having this problem too? ok i see there are more posts with same problem and no fix, close the post
