Server Error in '/test' Application.

Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.OptimisticConcurrencyException: Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[OptimisticConcurrencyException: Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries.]
   System.Data.Mapping.Update.Internal.UpdateTranslator.ValidateRowsAffected(Int64 rowsAffected, UpdateCommand source) +8167842
   System.Data.Mapping.Update.Internal.UpdateTranslator.Update(IEntityStateManager stateManager, IEntityAdapter adapter) +394
   System.Data.EntityClient.EntityAdapter.Update(IEntityStateManager entityCache) +163
   System.Data.Objects.ObjectContext.SaveChanges(SaveOptions options) +609
   System.Data.Entity.Internal.InternalContext.SaveChanges() +120

[DbUpdateConcurrencyException: Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries.]
   System.Data.Entity.Internal.InternalContext.SaveChanges() +206
   System.Data.Entity.Internal.LazyInternalContext.SaveChanges() +24
   System.Data.Entity.DbContext.SaveChanges() +20
   Nop.Data.EfRepository`1.Insert(T entity) in c:\Users\Dad\Documents\Visual Studio 2010\Projects\nop230\Libraries\Nop.Data\EfRepository.cs:41
   Nop.Services.Logging.DefaultLogger.InsertLog(LogLevel logLevel, String shortMessage, String fullMessage, Customer customer) in c:\Users\Dad\Documents\Visual Studio 2010\Projects\nop230\Libraries\Nop.Services\Logging\DefaultLogger.cs:144
   Nop.Services.Logging.LoggingExtensions.FilteredLog(ILogger logger, LogLevel level, String message, Exception exception, Customer customer) in c:\Users\Dad\Documents\Visual Studio 2010\Projects\nop230\Libraries\Nop.Services\Logging\LoggingExtensions.cs:39
   Nop.Admin.Controllers.BaseNopController.LogException(Exception exc) +106
   Nop.Admin.Controllers.BaseNopController.OnException(ExceptionContext filterContext) +42
   System.Web.Mvc.Controller.System.Web.Mvc.IExceptionFilter.OnException(ExceptionContext filterContext) +9
   System.Web.Mvc.ControllerActionInvoker.InvokeExceptionFilters(ControllerContext controllerContext, IList`1 filters, Exception exception) +115
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +323
   System.Web.Mvc.Controller.ExecuteCore() +116
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +97
   System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext) +10
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +37
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +21
   System.Web.Mvc.Async.<>c__DisplayClass8`1.<BeginSynchronous>b__7(IAsyncResult _) +12
   System.Web.Mvc.Async.WrappedAsyncResult`1.End() +62
   System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +50
   System.Web.Mvc.SecurityUtil.<GetCallInAppTrustThunk>b__0(Action f) +7
   System.Web.Mvc.SecurityUtil.ProcessInApplicationTrust(Action action) +22
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +60
   System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +9
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +8963149
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +184

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.237

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Log has 70000+ entries.