Just came across this error and wondered if anyone knew what the solution was?
There is an error. Please report the message and full backtrace in the Piwik forums (please do a Search first as it might have been reported already!). Warning: Division by zero in /var/www/default/piwik/core/Visualization/Cloud.php on line 59 Backtrace --> #0 Piwik_ErrorHandler(...) called at [/var/www/default/piwik/core/Visualization/Cloud.php:59]#1 Piwik_Visualization_Cloud->render(...) called at [/var/www/default/piwik/core/ViewDataTable/Cloud.php:112]#2 Piwik_ViewDataTable_Cloud->buildView(...) called at [/var/www/default/piwik/core/ViewDataTable/Cloud.php:71]#3 Piwik_ViewDataTable_Cloud->main(...) called at [/var/www/default/piwik/core/Controller.php:146]#4 Piwik_Controller->renderView(...) called at [/var/www/default/piwik/plugins/VisitTime/Controller.php:42]#5 Piwik_VisitTime_Controller->getVisitInformationPerServerTime(...) called at [:]#6 call_user_func_array(...) called at [/var/www/default/piwik/core/FrontController.php:136]#7 Piwik_FrontController->dispatch(...) called at [/var/www/default/piwik/index.php:53]
Thanks in advance!