Warning: Undefined array key 1 in /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php on line 130

Warning: Undefined array key 1 in /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php on line 131

Fatal error: Uncaught TypeError: Elasticsearch_Model_RangeQuery::lessThanOrEqualTo(): Argument #1 ($date) must be of type string, null given, called in /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php on line 131 and defined in /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/Model/RangeQuery.php:43 Stack trace: #0 /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php(131): Elasticsearch_Model_RangeQuery->lessThanOrEqualTo() #1 /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php(67): Elasticsearch_QueryBuilder->rangeQuery() #2 [internal function]: Elasticsearch_QueryBuilder->buildSubQuery() #3 /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/QueryBuilder.php(45): array_map() #4 /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/Helper/Index.php(118): Elasticsearch_QueryBuilder->build() #5 /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/controllers/SearchController.php(29): Elasticsearch_Helper_Index::search() #6 /srv/indipetae/omeka-3.1.2/application/libraries/Zend/Controller/Action.php(516): Elasticsearch_SearchController->indexAction() #7 /srv/indipetae/omeka-3.1.2/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch() #8 /srv/indipetae/omeka-3.1.2/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch() #9 /srv/indipetae/omeka-3.1.2/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(106): Zend_Controller_Front->dispatch() #10 /srv/indipetae/omeka-3.1.2/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run() #11 /srv/indipetae/omeka-3.1.2/application/libraries/Omeka/Application.php(73): Zend_Application->run() #12 /srv/indipetae/omeka-3.1.2/index.php(23): Omeka_Application->run() #13 {main} thrown in /srv/indipetae/omeka-3.1.2/plugins/Elasticsearch/libraries/Elasticsearch/Model/RangeQuery.php on line 43