Error: Invalid controller specified ()%5B1%5D.split()

#0 /home/webuser/www/library/Zend/Controller/Front.php(954): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http))
#1 /home/webuser/www/application/Bootstrap.php(44): Zend_Controller_Front->dispatch()
#2 /home/webuser/www/www/index.php(6): require('/home/webuser/w...')
#3 {main}