Seen this a couple times now (the URL doesn't matter, it only happens on SW community).
When I search for anything that has more than 1 page of results... Clicking the link to page 2 just reloads page 1. Clicking "Next" reloads page 1. If I change the URL directly, I get page 2.
Here's a sample search for reports (should be one line):
Google Chrome browser on Win8.
Not a panic/worry, just something I see every once in a while.