Omeka has encountered an error

Zend_Controller_Router_Exception

revision-id is not specified

#0 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Router/Rewrite.php(470): Zend_Controller_Router_Route->assemble(Array, false, true)
#1 /var/www/clients/client5/web20/web/application/libraries/Zend/View/Helper/Url.php(49): Zend_Controller_Router_Rewrite->assemble(Array, 'scripto_revisio...', false, true)
#2 /var/www/clients/client5/web20/web/application/views/helpers/Url.php(89): Zend_View_Helper_Url->url(Array, 'scripto_revisio...', false, true)
#3 /var/www/clients/client5/web20/web/application/libraries/globals.php(3135): Omeka_View_Helper_Url->url(Array, 'scripto_revisio...', Array, false, true)
#4 /var/www/clients/client5/web20/web/themes/scribe/scripto/index/revision.php(43): url(Array, 'scripto_revisio...')
#5 /var/www/clients/client5/web20/web/application/libraries/Omeka/View.php(117): include('/var/www/client...')
#6 /var/www/clients/client5/web20/web/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/var/www/client...')
#7 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(900): Zend_View_Abstract->render('index/revision....')
#8 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(921): Zend_Controller_Action_Helper_ViewRenderer->renderScript('index/revision....', NULL)
#9 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(960): Zend_Controller_Action_Helper_ViewRenderer->render()
#10 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#11 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#12 /var/www/clients/client5/web20/web/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('revisionAction')
#13 /var/www/clients/client5/web20/web/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/clients/client5/web20/web/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(101): Zend_Controller_Front->dispatch()
#15 /var/www/clients/client5/web20/web/application/libraries/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#16 /var/www/clients/client5/web20/web/application/libraries/Omeka/Application.php(79): Zend_Application->run()
#17 /var/www/clients/client5/web20/web/index.php(23): Omeka_Application->run()
#18 {main}