Omeka has encountered an error

Zend_Http_Client_Adapter_Exception

Unable to Connect to ssl://gppwiki.swem.wm.edu:443. Error #0: php_network_getaddresses: getaddrinfo failed: Name or service not known

exception 'Zend_Http_Client_Adapter_Exception' with message 'Unable to Connect to ssl://gppwiki.swem.wm.edu:443. Error #0: php_network_getaddresses: getaddrinfo failed: Name or service not known' in /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Http/Client/Adapter/Socket.php:235
Stack trace:
#0 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Http/Client.php(1073): Zend_Http_Client_Adapter_Socket->connect('gppwiki.swem.wm...', 443, true)
#1 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/libraries/Scripto/Service/MediaWiki.php(664): Zend_Http_Client->request('POST')
#2 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/libraries/Scripto/Service/MediaWiki.php(466): Scripto_Service_MediaWiki->_request('query', Array)
#3 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/libraries/Scripto/Service/MediaWiki.php(157): Scripto_Service_MediaWiki->query(Array)
#4 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/libraries/Scripto.php(227): Scripto_Service_MediaWiki->getUserInfo('groups|rights')
#5 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/libraries/Scripto.php(83): Scripto->setUserInfo()
#6 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/plugins/Scripto/ScriptoPlugin.php(663): Scripto->__construct(Object(ScriptoAdapterOmeka), Array)
#7 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/themes/scribe/common/header.php(102): ScriptoPlugin::getScripto()
#8 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Omeka/View.php(117): include('/var/www/transc...')
#9 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/transc...')
#10 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/View/Helper/Partial.php(109): Zend_View_Abstract->render('common/header.p...')
#11 [internal function]: Zend_View_Helper_Partial->partial('common/header.p...', Array)
#12 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/View/Abstract.php(350): call_user_func_array(Array, Array)
#13 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/globals.php(1661): Zend_View_Abstract->__call('partial', Array)
#14 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/globals.php(1661): Omeka_View->partial('common/header.p...', Array)
#15 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/globals.php(1675): common('header', Array)
#16 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/themes/scribe/items/show.php(5): head(Array)
#17 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Omeka/View.php(117): include('/var/www/transc...')
#18 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/transc...')
#19 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render('items/show.php')
#20 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript('items/show.php', NULL)
#21 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render()
#22 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#23 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#24 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('showAction')
#25 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#26 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#27 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Zend/Application.php(384): Zend_Application_Bootstrap_Bootstrap->run()
#28 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/application/libraries/Omeka/Application.php(77): Zend_Application->run()
#29 /var/www/transcribegeorgianpapers.swem.wm.edu/public_html/index.php(23): Omeka_Application->run()
#30 {main}