Fatal error: Uncaught TypeError: array_filter(): Argument #1 ($array) must be of type array, bool given in /data/www/Omeka/Guizot-Lieven/plugins/SolrSearch/controllers/ResultsController.php:88 Stack trace: #0 /data/www/Omeka/Guizot-Lieven/plugins/SolrSearch/controllers/ResultsController.php(88): array_filter() #1 /data/www/Omeka/Guizot-Lieven/application/libraries/Zend/Controller/Action.php(516): SolrSearch_ResultsController->exportCsvAction() #2 /data/www/Omeka/Guizot-Lieven/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch() #3 /data/www/Omeka/Guizot-Lieven/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch() #4 /data/www/Omeka/Guizot-Lieven/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(106): Zend_Controller_Front->dispatch() #5 /data/www/Omeka/Guizot-Lieven/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run() #6 /data/www/Omeka/Guizot-Lieven/application/libraries/Omeka/Application.php(73): Zend_Application->run() #7 /data/www/Omeka/Guizot-Lieven/index.php(23): Omeka_Application->run() #8 {main} thrown in /data/www/Omeka/Guizot-Lieven/plugins/SolrSearch/controllers/ResultsController.php on line 88