Sometimes while browsing GZ I will jump directly to the last page of a thread to read the latest. I've found that occasionally it will say there are, as an example, 31 posts in the thread so it will list three pages. However when going to page 3 there will be no posts as there are infact only 30 posts. I wondered if this was due to a post being removed in between loading New Forum Posts and clicking the link. However I saw it again tonight while going to a thread I had just posted in a minute earlier so I know no posts were missing.
Example (GZ Pizza Evening Thread which lists 31 replies):
Page 3 links to:
Now I'm pretty good at missing obvious discussions so I may have missed one about this already, if so apologies.