Plugin by name 'Zoomit' was not found in the registry; used paths:

Hi,

I've just upgraded from Omeka 2.2.2 to Omeka 2.3
I've uploaded all files, connnected as admin to upgrade database. I have now full access to my admin, but when I try to see front end,
all links gives me:

Omeka has encountered an error

Zend_Loader_PluginLoader_Exception
Plugin by name 'Zoomit' was not found in the registry; used paths:
Commenting_View_Helper_: /home/cappie5/public_html/catalogue/plugins/Commenting/helpers/
Geolocation_View_Helper_: /home/cappie5/public_html/catalogue/plugins/Geolocation/views/helpers/
ExhibitBuilder_View_Helper_: /home/cappie5/public_html/catalogue/plugins/ExhibitBuilder/views/helpers/
Omeka_View_Helper_: /home/cappie5/public_html/catalogue/application/views/helpers/
Zend_View_Helper_Navigation_: Zend/View/Helper/Navigation/
Zend_View_Helper_: Zend/View/Helper/

exception 'Zend_Loader_PluginLoader_Exception' with message 'Plugin by name 'Zoomit' was not found in the registry; used paths:
Commenting_View_Helper_: /home/cappie5/public_html/catalogue/plugins/Commenting/helpers/
Geolocation_View_Helper_: /home/cappie5/public_html/catalogue/plugins/Geolocation/views/helpers/
ExhibitBuilder_View_Helper_: /home/cappie5/public_html/catalogue/plugins/ExhibitBuilder/views/helpers/
Omeka_View_Helper_: /home/cappie5/public_html/catalogue/application/views/helpers/
Zend_View_Helper_Navigation_: Zend/View/Helper/Navigation/
Zend_View_Helper_: Zend/View/Helper/' in /home/cappie5/public_html/catalogue/application/libraries/Zend/Loader/PluginLoader.php:424
Stack trace:
#0 /home/cappie5/public_html/catalogue/application/libraries/Zend/View/Abstract.php(1182): Zend_Loader_PluginLoader->load('Zoomit')
#1 /home/cappie5/public_html/catalogue/application/libraries/Zend/View/Abstract.php(618): Zend_View_Abstract->_getPlugin('helper', 'zoomit')
#2 /home/cappie5/public_html/catalogue/application/libraries/Zend/View/Abstract.php(344): Zend_View_Abstract->getHelper('zoomit')
#3 /home/cappie5/public_html/catalogue/plugins/Zoomit/ZoomitPlugin.php(134): Zend_View_Abstract->__call('zoomit', Array)
#4 /home/cappie5/public_html/catalogue/plugins/Zoomit/ZoomitPlugin.php(134): Omeka_View->zoomit(Array, '500', '600')
#5 [internal function]: ZoomitPlugin->hookPublicItemsShow(Array)
#6 /home/cappie5/public_html/catalogue/application/libraries/Omeka/Plugin/Broker.php(157): call_user_func(Array, Array)
#7 /home/cappie5/public_html/catalogue/application/libraries/globals.php(188): Omeka_Plugin_Broker->callHook('public_items_sh...', Array)
#8 /home/cappie5/public_html/catalogue/themes/deco/items/show.php(76): fire_plugin_hook('public_items_sh...', Array)
#9 /home/cappie5/public_html/catalogue/application/libraries/Omeka/View.php(117): include('/home/cappie5/p...')
#10 /home/cappie5/public_html/catalogue/application/libraries/Zend/View/Abstract.php(888): Omeka_View->_run('/home/cappie5/p...')
#11 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(905): Zend_View_Abstract->render('items/show.php')
#12 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(926): Zend_Controller_Action_Helper_ViewRenderer->renderScript('items/show.php', NULL)
#13 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Action/Helper/ViewRenderer.php(965): Zend_Controller_Action_Helper_ViewRenderer->render()
#14 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Action/HelperBroker.php(277): Zend_Controller_Action_Helper_ViewRenderer->postDispatch()
#15 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Action.php(527): Zend_Controller_Action_HelperBroker->notifyPostDispatch()
#16 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Dispatcher/Standard.php(308): Zend_Controller_Action->dispatch('showAction')
#17 /home/cappie5/public_html/catalogue/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#18 /home/cappie5/public_html/catalogue/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(105): Zend_Controller_Front->dispatch()
#19 /home/cappie5/public_html/catalogue/application/libraries/Zend/Application.php(382): Zend_Application_Bootstrap_Bootstrap->run()
#20 /home/cappie5/public_html/catalogue/application/libraries/Omeka/Application.php(79): Zend_Application->run()
#21 /home/cappie5/public_html/catalogue/index.php(23): Omeka_Application->run()
#22 {main}

What should I do???

Just reinstalled Zoomit2 and ready!