Undefined variable: keys in /var/www/piwik.c6-berlin.com/plugins/BotTracker/API.php on line 88 (1 reply)

Backtrace -->

#0 Piwik\Error::errorHandler(...) called at [/var/www/piwik.c6-berlin.com/plugins/BotTracker/API.php:88]
#1 Piwik\Plugins\BotTracker\API->getAllBotDataPie(...) called at [:]
#2 call_user_func_array(...) called at [/var/www/piwik.c6-berlin.com/core/API/Proxy.php:209]
#3 Piwik\API\Proxy->call(...) called at [/var/www/piwik.c6-berlin.com/core/API/Request.php:215]
#4 Piwik\API\Request->process(...) called at [/var/www/piwik.c6-berlin.com/core/ViewDataTable/Request.php:48]
#5 Piwik\ViewDataTable\Request->loadDataTableFromAPI(...) called at [/var/www/piwik.c6-berlin.com/core/Plugin/ViewDataTable.php:288]
#6 Piwik\Plugin\ViewDataTable->loadDataTableFromAPI(...) called at [/var/www/piwik.c6-berlin.com/core/Plugin/Visualization.php:166]
#7 Piwik\Plugin\Visualization->buildView(...) called at [/var/www/piwik.c6-berlin.com/core/Plugin/ViewDataTable.php:375]
#8 Piwik\Plugin\ViewDataTable->render(...) called at [/var/www/piwik.c6-berlin.com/plugins/BotTracker/Controller.php:76]
#9 Piwik\Plugins\BotTracker\Controller->getBotTrackerPie(...) called at [/var/www/piwik.c6-berlin.com/plugins/BotTracker/Controller.php:84]
#10 Piwik\Plugins\BotTracker\Controller->getBotTrackerPage(...) called at [:]
#11 call_user_func_array(...) called at [/var/www/piwik.c6-berlin.com/core/FrontController.php:500]
#12 Piwik\FrontController->doDispatch(...) called at [/var/www/piwik.c6-berlin.com/core/FrontController.php:85]
#13 Piwik\FrontController->dispatch(...) called at [/var/www/piwik.c6-berlin.com/core/dispatch.php:34]
#14 require_once(...) called at [/var/www/piwik.c6-berlin.com/index.php:47]