Omeka has encountered an error

InvalidArgumentException

Invalid record passed to recordMetadata.

InvalidArgumentException: Invalid record passed to recordMetadata. in /var/www/tresw/bibliotecalengua/htdocs/application/views/helpers/Metadata.php:58
Stack trace:
#0 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/View/Abstract.php(349): Omeka_View_Helper_Metadata->metadata(NULL, Array, Array)
#1 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/globals.php(2038): Zend_View_Abstract->__call('metadata', Array)
#2 /var/www/tresw/bibliotecalengua/htdocs/plugins/CsvExport/helpers/CsvExportFunctions.php(74): metadata(NULL, Array, Array)
#3 /var/www/tresw/bibliotecalengua/htdocs/plugins/CsvExport/helpers/CsvExportFunctions.php(110): getCsvRow(Object(Item), Array)
#4 /var/www/tresw/bibliotecalengua/htdocs/plugins/CsvExport/views/shared/items/browse.csv.php(8): printCsvExport(Array)
#5 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Omeka/View.php(117): include('/var/www/tresw/...')
#6 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/tresw/...')
#7 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render(NULL)
#8 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript('items/browse.cs...', NULL)
#9 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render()
#10 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#11 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#12 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('browseAction')
#13 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#14 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#15 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#16 /var/www/tresw/bibliotecalengua/htdocs/application/libraries/Omeka/Application.php(77): Zend_Application->run()
#17 /var/www/tresw/bibliotecalengua/htdocs/index.php(23): Omeka_Application->run()
#18 {main}