Error Connecting Module Wdcalendar

Hi to everyone. I am new to yii and faced with the problem of connection of the new module…

To start, I created a folder moudles and it created a folder wdcalendar in which you unpacked the files module.

When the page is turned install localhost:8080/projects/index.php/wdcalendar I get the following error


Alias "wdcalendar.WdcalendarModule" is invalid. Make sure it points to an existing PHP file and the file is readable.

with reference to 322 line in the following code


310         if($isClass && (class_exists($className,false) || interface_exists($className,false)))

311             return self::$_imports[$alias]=$className;

312 

313         if(($path=self::getPathOfAlias($alias))!==false)

314         {

315             if($isClass)

316             {

317                 if($forceInclude)

318                 {

319                     if(is_file($path.'.php'))

320                         require($path.'.php');

321                     else

322                         throw new CException(Yii::t('yii','Alias "{alias}" is invalid. Make sure it points to an existing PHP file and the file is readable.',array('{alias}'=>$alias)));

323                     self::$_imports[$alias]=$className;

324                 }

325                 else

326                     self::$classMap[$className]=$path.'.php';

327                 return $className;

328             }

329             else  // a directory

330             {

331                 if(self::$_includePaths===null)

332                 {

333                     self::$_includePaths=array_unique(explode(PATH_SEPARATOR,get_include_path()));

334                     if(($pos=array_search('.',self::$_includePaths,true))!==false)

I would be very grateful if you could help me solve my problem!