L'Omeka ha trobat un error

InvalidArgumentException

Invalid record passed to recordMetadata.

exception 'InvalidArgumentException' with message 'Invalid record passed to recordMetadata.' in /var/www/html/omeka-2.5.1/application/views/helpers/Metadata.php:58
Stack trace:
#0 [internal function]: Omeka_View_Helper_Metadata->metadata(NULL, 'total_items', Array)
#1 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#2 /var/www/html/omeka-2.5.1/application/libraries/globals.php(2078): Zend_View_Abstract->__call('metadata', Array)
#3 /var/www/html/omeka-2.5.1/application/libraries/globals.php(2078): Omeka_View->metadata(NULL, 'total_items', Array)
#4 /var/www/html/omeka-2.5.1/plugins/CollectionTree/views/helpers/CollectionTreeList.php(38): metadata(NULL, 'total_items')
#5 [internal function]: CollectionTree_View_Helper_CollectionTreeList->collectionTreeList(Array)
#6 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#7 /var/www/html/omeka-2.5.1/plugins/CollectionTree/views/shared/collections/collection-tree-list.php(2): Zend_View_Abstract->__call('collectionTreeL...', Array)
#8 /var/www/html/omeka-2.5.1/plugins/CollectionTree/views/shared/collections/collection-tree-list.php(2): Omeka_View->collectionTreeList(Array)
#9 /var/www/html/omeka-2.5.1/application/libraries/Omeka/View.php(117): include('/var/www/html/o...')
#10 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/html/o...')
#11 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Helper/Partial.php(109): Zend_View_Abstract->render('collections/col...')
#12 [internal function]: Zend_View_Helper_Partial->partial('collections/col...', Array)
#13 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#14 /var/www/html/omeka-2.5.1/plugins/CollectionTree/CollectionTreePlugin.php(362): Zend_View_Abstract->__call('partial', Array)
#15 /var/www/html/omeka-2.5.1/plugins/CollectionTree/CollectionTreePlugin.php(362): Omeka_View->partial('collections/col...', Array)
#16 /var/www/html/omeka-2.5.1/plugins/CollectionTree/CollectionTreePlugin.php(353): CollectionTreePlugin->_appendToCollectionsShow(Object(Collection))
#17 [internal function]: CollectionTreePlugin->hookPublicCollectionsShow(Array)
#18 /var/www/html/omeka-2.5.1/application/libraries/Omeka/Plugin/Broker.php(157): call_user_func(Array, Array)
#19 /var/www/html/omeka-2.5.1/application/libraries/globals.php(188): Omeka_Plugin_Broker->callHook('public_collecti...', Array)
#20 /var/www/html/omeka-2.5.1/themes/orex/collections/show.php(60): fire_plugin_hook('public_collecti...', Array)
#21 /var/www/html/omeka-2.5.1/application/libraries/Omeka/View.php(117): include('/var/www/html/o...')
#22 /var/www/html/omeka-2.5.1/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/html/o...')
#23 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render('collections/sho...')
#24 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript('collections/sho...', NULL)
#25 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render()
#26 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#27 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#28 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('showAction')
#29 /var/www/html/omeka-2.5.1/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#30 /var/www/html/omeka-2.5.1/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#31 /var/www/html/omeka-2.5.1/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#32 /var/www/html/omeka-2.5.1/application/libraries/Omeka/Application.php(77): Zend_Application->run()
#33 /var/www/html/omeka-2.5.1/index.php(23): Omeka_Application->run()
#34 {main}