#4526 Reply to links in right column do not go away

[Anonymous]

Looking at the front page of the site, in the right column, I have the following link showing in that user box.

Reply to "Re:USD per watt and watts per sqm" by PopeRatzo [X]
Delete All

Clicking on the X or the Delete All removes it, but it only reappears when I return to the page, so I'm assuming that's a bug. Clicking on the link sends me to http://slashdot.org/messages.pl?op=display&id=31759254, and gives me the error Message 31759254 not found. Going through my profile I can see that the message is there, but that the discussion is long since closed.