The page you are trying to reach does not exist, or has been moved. Please use

deactivate all plugins and revert to Twenty Thirteen theme and see if you can access the page.

This seems like a theme/plugin issue, you need to check the php code (advanced user things) that generates the loop of posts and make sure there are no errors in it.
For reference see https://www.ads-software.com/support/topic/one-again-page-not-found-on-second-and-further-pages?replies=8.