I changed the email address for my Logos account. Although I have made 515 forum postings, the "Your Discussions" section of the forums only shows 2 postings.
Also, the number of forums postings has changed from 515 to 2. When I look at my earlier postings in the forums, it shows 515. But it appears to have reset the counter to 0 for future postings. Oddly the history for my account shows all of my postings, even though the count is wrong.