Is this reproducable? If so, please open a support ticket using the link in my signature. Ask that the ticket be assigned to me, and include the URL to this topic in the ticket body. I'll need FTP access to the board. Thanks!

(From the error, it appears that the user post history file is malformed, resulting in UBB trying to look for a bad ForumX directory.)

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Charles Capps
UBB.classic™ Developer
Having problems? Open up a support ticket!