Client denied by server configuration

Everything is working but this error I find in apache

[Thu Jan 26 17:15:36 2012] [error] [client] client denied by server configuration: /home/lastmemo/public_html/www_root/piwik/index.php, referer:

I don’t what to do whit this… Thank You

And on displaying piwik dashboard I can see this:

Oops… problem during the request, please try again.

But everything loads…Hmm…Thank You