System.NullReferenceException: Object reference not set to an instance of an object.
   at IMSV5.Web.Controllers.EyslnController.<>c__DisplayClass44_0.<GroupType>b__0(Dictionary`2 model)
   at IMSV5.Web.ConfigUtils.__DefaultActionResult(LinkmanInfo UserModel, String tagName, __DefaultActionResultDelegate beforeLoadXml, __DefaultActionResultDelegate afterLoadXml)