Fatal error: Uncaught Error: Class "DOMDocument" not found in /var/www/html/digihum/application/libraries/Omeka/Output/OmekaXml/AbstractOmekaXml.php:70
Stack trace:
#0 /var/www/html/digihum/application/views/scripts/items/show.omeka-xml.php(2): Omeka_Output_OmekaXml_AbstractOmekaXml->__construct()
#1 /var/www/html/digihum/application/libraries/Omeka/View.php(114): include('...')
#2 /var/www/html/digihum/application/libraries/Zend/View/Abstract.php(889): Omeka_View->_run()
#3 /var/www/html/digihum/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render()
#4 /var/www/html/digihum/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript()
#5 /var/www/html/digihum/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render()
#6 /var/www/html/digihum/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#7 /var/www/html/digihum/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#8 /var/www/html/digihum/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch()
#9 /var/www/html/digihum/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch()
#10 /var/www/html/digihum/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(106): Zend_Controller_Front->dispatch()
#11 /var/www/html/digihum/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#12 /var/www/html/digihum/application/libraries/Omeka/Application.php(73): Zend_Application->run()
#13 /var/www/html/digihum/index.php(23): Omeka_Application->run()
#14 {main}
thrown in /var/www/html/digihum/application/libraries/Omeka/Output/OmekaXml/AbstractOmekaXml.php on line 70