Build Errors with umbraco 7.4 visual studio 2013,
<p>I am new to Umbraco. I am trying to build the website using it. Due to some issues i deleted the Umbraco project that i have created. I had back up so i copy and pasted it in visual studio project folder and tried to run. Before execution it show build error which are out of my knowledge. </p>

<blockquote>
  <p>The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for
  'ModelTypeAlias'  C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  30  27  MyUmbracoApp
      Error 5   The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for
  'ModelItemType'   C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  31  38  MyUmbracoApp
      Error 6   Type 'Umbraco.Web.PublishedContentModels.Home' already defines a member called 'Home' with the same parameter
  types C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\M
      Error 7   Type 'Umbraco.Web.PublishedContentModels.Home' already defines a member called 'GetModelContentType' with the same parameter
  types C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  39  42  MyUmbracoApp
      Error 8   Type 'Umbraco.Web.PublishedContentModels.Home' already defines a member called 'GetModelPropertyType' with the same parameter
  types C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  45  39  MyUmbracoApp
      Error 9   The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for 'BodyText' C:\Users\dell\Documents\Visual
  Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  54  22  MyUmbracoApp
      Error 10  The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for
  'CarouselImages'  C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  63  17  MyUmbracoApp
      Error 11  The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for
  'FooterText'  C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  72  17  MyUmbracoApp
      Error 12  The type 'Umbraco.Web.PublishedContentModels.Home' already contains a definition for
  'PageTitle'   C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  81  17  MyUmbracoApp
      Error 13  The type 'Umbraco.Web.PublishedContentModels.Glimpses' already contains a definition for
  'ModelTypeAlias'  C:\Users\dell\Documents\Visual Studio
  2013\Projects\MyUmbracoApp\MyUmbracoApp\MyUmbracoApp\App_Data\Models\models.generated.cs  92  27  MyUmbracoApp
      Error 14  The type 'Umbraco.Web.PublishedContentModels.Glimpses' already contains a definition for 'ModelItemType'</p>
</blockquote>