zendframework出错,该怎么解决

Fatal error: Uncaught exception 'Zend_Controller_Dispatcher_Exception' with message 'Invalid controller specified (error)' in C:\php\library\Zend\Controller\Dispatcher\Standard.php:241 Stack trace: #0 C:\php\library\Zend\Controller\Front.php(934): Zend_Controller_Dispatcher_Standard->dispatch(Object(Zend_Controller_Request_Http), Object(Zend_Controller_Response_Http)) #1 G:\WEB\php\Z\index.php(36): Zend_Controller_Front->dispatch() #2 {main} thrown in C:\php\library\Zend\Controller\Dispatcher\Standard.php on line 241

setScriptPath('./application/views/scripts/index/');//设置模板显示路径
    $registry['view'] = $view;//注册View
    
    //配置数据库参数,并连接数据库
    $config=new Zend_Config_Ini('./application/config/config.ini',null, true);
    Zend_Registry::set('config',$config);
    $dbAdapter=Zend_Db::factory($config->general->db->adapter,$config->general->db->config->toArray());
    $dbAdapter->query('SET NAMES UTF8');
    Zend_Db_Table::setDefaultAdapter($dbAdapter);
    Zend_Registry::set('dbAdapter',$dbAdapter);
    
    //设置控制器
    $frontController =Zend_Controller_Front::getInstance();
    $frontController->setBaseUrl('/z')//设置基本路径
                    ->setParam('noViewRenderer', true)
                    ->setControllerDirectory('./application/controllers')
                    ->throwExceptions(False)
                    ->dispatch();

            $frontCtrl->throwExceptions(true);// true 为抛出异常，false 为不抛出
            $frontCtrl->setParam('useDefaultControllerAlways', true); // true 为 404 总是重定向到默认控制器
            $this->_frontCtrl->registerPlugin(
                new Zend_Controller_Plugin_ErrorHandler(array('module'=>'error', 'controller'=>'error', 'action'=>'error'))
            );