Since moving to MVC4: The view at '~/Views/[...]/Invitation.text.cshtml' must derive from WebViewPage, or WebViewPage<TModel>. about mvcmailer

[Eonasdan]

Look at your web.config under the Views folder I add these entries that broke my mvc4 application

<host factoryType="System.Web.Mvc.MvcWebRazorHostFactory, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" />

<pages validateRequest="false" pageParserFilterType="System.Web.Mvc.ViewTypeParserFilter, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" pageBaseType="System.Web.Mvc.ViewPage, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" userControlBaseType="System.Web.Mvc.ViewUserControl, System.Web.Mvc, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35">
  <namespaces>
    <add namespace="Mvc.Mailer" />
  </namespaces>
</pages>

both of those entries already existed in my config file for version 4

[AymericG]

Thanks, I created a brand new MVC 4 project, and copy pasted the web.config in my project and added the entries specific to my project. This issue was a problem related to the migration to MVC4, not MvcMailer itself I believe.

Thanks!

[sharique]

@Eonasdan your web.config show MVC version 3 (System.Web.Mvc, Version=3.0.0.0) , you should change it to 4. I think this might fix the problem.

[Eonasdan]

@sharique the problem was that my MVC 4 application already had those entries for v4 but mvcmailer added the nodes again for v3. I fixed the problem by removing the duplicated nodes for v3