Well, I don't know what a PMR is, but this bug happened again to me this morning, so I documented it more carefully this time for you.
Here are screenshots. First one show the error (wrong message content displayed, even though header info displayed ,matches the list, the actual content is that of a completely different thread from a different sender that was sent days later (notice the Nov 26th date within the AoT newsletter, while the header claims this is an email sent Nov 20th, about a help desk ticket). The second image shows the correct email content (which I got by moving the selection up and down, suing the arrow keys).
If I had deleted this item, thinking it was the newsletter, but it was instead the ticket as suggested by the header and the list selection, then I would have lost an important email due to this bug in Lotus. I frequently encounter this bug. I am sure this has caused real business problems for users. I think it needs to be fixed.
Sorry if the second image is hard to view but it seems this web form only puts a horizontal scrollbar, not a vertical one. Someone should fix that too. :-)
And here is what *should have been displayed: