Yii Usergroups Installation Fail

Hi all, could anyone please help me on how to install Yii UserGroups correctly. I have already followed the instructions here but I have no idea why there is still no way to get the installation done. It returned an error [color="#FF0000"]‘Property “CWebApplication.eauth” is not defined’[/color]. How to solve this error? Any help is much appreciated. Thanks in advance. Please help me~

Here’s my code:

config/main.php




<?php


// uncomment the following to define a path alias

// Yii::setPathOfAlias('local','path/to/local-folder');


// This is the main Web application configuration. Any writable

// CWebApplication properties can be configured here.


Yii::setPathOfAlias('bootstrap', dirname(__FILE__).'/../extensions/bootstrap');

return array(

    'theme'=>'bootstrap', // requires you to copy the theme under your themes directory

	'basePath'=>dirname(__FILE__).DIRECTORY_SEPARATOR.'..',

	'name'=>'Course & Timetabling System',


	// preloading 'log' component

	'preload'=>array('log',

	    'bootstrap',

    ),


	// autoloading model and component classes

	'import'=>array(

	    'application.extensions.KEmail.KEmail',

		'application.helpers.*',

		'application.models.*',

		'application.components.*',

	),


	'modules'=>array(

		// uncomment the following to enable the Gii tool

		'userGroups'=>array(

        // accessCode can be changed

        'accessCode'=>'123456',

        // salt can be changed

        'salt'=>'123456',

           ),

		   

		'gii'=>array(

			'class'=>'system.gii.GiiModule',

			'password'=>'abc',

			'generatorPaths'=>array(

                'ext.giiplus',

            ),

			// If removed, Gii defaults to localhost only. Edit carefully to taste.

			'ipFilters'=>array('127.0.0.1','::1'),

		),

		

	),


	// application components

	'components'=>array(

	    'bootstrap' => array(

        'class' => 'ext.bootstrap.components.Bootstrap',

        ),			

		'user'=>array(

			// enable cookie-based authentication

			'allowAutoLogin'=>true,

			'class'=>'userGroups.components.WebUserGroups',

		),

		'email'=>array(

            'class'=>'application.extensions.KEmail.KEmail',

            'host_name'=>'smtp.gmail.com',

            'user'=>'xxx@gmail.com',

            'password'=>'xxxxxxxxxxx',

            'host_port'=>465,

            'ssl'=>'true',

        ), 

		'image'=>array(

          'class'=>'application.extensions.image.CImageComponent',

            // GD or ImageMagick

            'driver'=>'GD',

            // ImageMagick setup path

            'params'=>array('directory'=>'/opt/local/bin'),

        ),

		// uncomment the following to enable URLs in path-format

		

		'urlManager'=>array(

			'urlFormat'=>'path',

			'showScriptName'=>false,

			'rules'=>array(

				'<controller:\w+>/<id:\d+>'=>'<controller>/view',

				'<controller:\w+>/<action:\w+>/<id:\d+>'=>'<controller>/<action>',

				'<controller:\w+>/<action:\w+>'=>'<controller>/<action>',

			),

		),

		/*

		'db'=>array(

			'connectionString' => 'sqlite:'.dirname(__FILE__).'/../data/testdrive.db',

		),

		*/

		

		// uncomment the following to use a MySQL database

		

		'db'=>array(

			'connectionString' => 'mysql:host=localhost;dbname=testdb',

			'emulatePrepare' => true,

			'username' => 'root',

			'password' => '',

			'charset' => 'utf8',

			'tablePrefix' => 'tbl_',

		),

		

		'errorHandler'=>array(

			// use 'site/error' action to display errors

			'errorAction'=>'site/error',

		),

		'log'=>array(

			'class'=>'CLogRouter',

			'routes'=>array(

				array(

					'class'=>'CFileLogRoute',

					'levels'=>'error, warning, info, trace, notice',

				),

				// uncomment the following to show log messages on web pages

				/*

				array(

					'class'=>'CWebLogRoute',

				),

				*/

			),

		),

	),


	// application-level parameters that can be accessed

	// using Yii::app()->params['paramName']

	'params'=>array(

		// this is used in contact page

		'adminEmail'=>'admin@yahoo.com',

	),

);



.htaccess




Options +FollowSymLinks

IndexIgnore */*

<IfModule mod_rewrite.c>

RewriteEngine on

RewriteBase /test1/


# if a directory or a file exists, use it directly

RewriteCond %{REQUEST_FILENAME} !-f

RewriteCond %{REQUEST_FILENAME} !-d


# otherwise forward it to index.php

RewriteRule ^(.*)$ index.php/$1 [L]

</IfModule>