Object reference not set to an instance of an object.

TasamYayinlar

System.String MesajYaz(System.Exception)

NullReferenceException

at TasamYayinlar.Helpers.Islem.IslemLog.MesajYaz(Exception filterContext) in D:\Depo\MG\trunk\TasamYayinlar\Helpers\Islem\IslemLog.cs:line 34 at TasamYayinlar.Helpers.Islem.IslemLog.HataLog(Exception filterContext) in D:\Depo\MG\trunk\TasamYayinlar\Helpers\Islem\IslemLog.cs:line 18 at TasamYayinlar.Controllers.HataController.Hata(OzelHata hata) in D:\Depo\MG\trunk\TasamYayinlar\Controllers\HataController.cs:line 15 at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) 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.ControllerActionInvoker.<>c__DisplayClass13.<InvokeActionMethodWithFilters>b__10() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass13.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) at System.Web.Mvc.Controller.ExecuteCore() at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) at System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) at TasamYayinlar.MvcApplication.Application_Error() in D:\Depo\MG\trunk\TasamYayinlar\Global.asax.cs:line 304