Select a few months with the period designation in the action - page.
If you press Apply and 3 minutes elapses before the result display
The following error is displayed.
Oops… there was a problem during the request.
Maybe the server had a temporary issue, or maybe you requested a report with too much data.
Please try again. If this error occurs repeatedly please contact your Piwik administrator for assistance.
Need more help? FAQ ? コミュニティヘルプ ? プロフェッショナルヘルプ.
Is it possible to deal with setting change etc?