Omeka has encountered an error

Zend_Controller_Dispatcher_Exception

Invalid controller specified (zotero.jar!)

Backtrace

Zend_Controller_Dispatcher_Exception: Invalid controller specified (zotero.jar!) in /websites/occupyarchive.org/application/libraries/Zend/Controller/Dispatcher/Standard.php:248
Stack trace:
#0 /websites/occupyarchive.org/application/libraries/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch()
#1 /websites/occupyarchive.org/application/libraries/Zend/Application/Bootstrap/Bootstrap.php(97): Zend_Controller_Front->dispatch()
#2 /websites/occupyarchive.org/application/libraries/Zend/Application.php(366): Zend_Application_Bootstrap_Bootstrap->run()
#3 /websites/occupyarchive.org/application/libraries/Omeka/Core.php(166): Zend_Application->run()
#4 /websites/occupyarchive.org/index.php(30): Omeka_Core->run()
#5 {main}