Fatal error: Uncaught Error: Class "Piwik\Columns\Dimension" not found in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/plugins/DevicePlugins/Columns/Plugin.php:14
Stack trace:
#0 {main}
thrown in /usr/home/mw2p5ujyzt/www/htdocs/mode2_piwik/plugins/DevicePlugins/Columns/Plugin.php on line 14