Fatal error: Uncaught Error: Class 'Piwik_Tracker_Db' not found in /home/piwik-issues/github-issues-mirror/src/public/attachments/2593/tracker_Sqlrelay.php:19 Stack trace: #0 {main} thrown in /home/piwik-issues/github-issues-mirror/src/public/attachments/2593/tracker_Sqlrelay.php on line 19