Thread:Project:Support desk/Why is Special:PopularPages blank

I get this message

The following data is cached and may not be up to date. A maximum of 1,000 results are available in the cache. There are no results for this report.

I am using: MediaWiki 1.21.1

PHP 5.3.24 (cgi-fcgi)

MySQL 5.1.70-community

Thanks,