Exception     : Object reference not set to an instance of an object.
App Error Log : -
Employee ID   : 0
Action Name   : AjaxPopulateAttributeGrid
Model         : System.Web.Mvc.HandleErrorInfo
Controller    : Customization
Web Error Log :    at WORKTERRA.BenAdmin.BenAdminControllerWebTier.GetCollection(ObjectType I_objectType, Hashtable I_criteria, String I_AdditionalCriteriaString, Object I_context, Boolean I_mode, Boolean I_needCollection)
   at WORKTERRA.BenAdmin.Areas.Customization.Models.BenefitTypeDetailsModel.PopulateCategoryWiseAttributes(String BenefitTemplateID)
   at WORKTERRA.BenAdmin.Areas.Customization.Controllers.CustomizationController.AjaxPopulateAttributeGrid(String BenefitTemplateID)
   at lambda_method(Closure , ControllerBase , Object[] )
   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<BeginInvokeSynchronousActionMethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState)
   at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult`2.CallEndDelegate(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3d()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>c__DisplayClass46.<InvokeActionMethodFilterAsynchronouslyRecursive>b__3f()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass33.<BeginInvokeActionMethodWithFilters>b__32(IAsyncResult asyncResult)
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.<BeginInvokeAction>b__1c()
   at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult)