Warning: array_combine() expects parameter 1 to be array, null given in /var/www/piwik.c6-berlin.com/plugins/BotTracker/API.php on line 88 (1 reply)

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Warning: array_combine() expects parameter 1 to be array, null given in /var/www/piwik.c6-berlin.com/plugins/BotTracker/API.php on line 88

Backtrace -->

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