An unknown error occurred.

Cannot bind source type Umbraco.Extensions.Models.MasterModel`1[[Umbraco.Extensions.Models.Generated.MultimediaItem, Umbraco.Extensions, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]] to model type Umbraco.Extensions.Models.MasterModel`1[[Umbraco.Extensions.Models.Generated.Multimedia, Umbraco.Extensions, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null]].<br /><br /><br /><br /> at Umbraco.Web.Mvc.RenderModelBinder.ThrowModelBindingException(Boolean sourceContent, Boolean modelContent, Type sourceType, Type modelType) at Umbraco.Web.Mvc.RenderModelBinder.BindModel(Object source, Type modelType, CultureInfo culture) at Umbraco.Web.Mvc.UmbracoViewPage`1.SetViewData(ViewDataDictionary viewData) at System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer) at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult)