Server Error in '/' Application.

Sequence contains more than one element

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.InvalidOperationException: Sequence contains more than one element

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:


[InvalidOperationException: Sequence contains more than one element]
   System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +6367528
   System.Linq.Queryable.SingleOrDefault(IQueryable`1 source, Expression`1 predicate) +590
   BusinessManagerEmail.Models.Repositories.ProvinciaRepository.GetId(String id) in C:\Progetti\E-CCOMY\BusinessManagerMail\Repositories\ProvinciaRepository.cs:67
   FreeSocialMarket.Controllers.HomeController.HomeCategoria(String idProvincia, String strCategoria) in C:\Progetti\E-CCOMY\FreeSocialMarket\Controllers\HomeController.cs:2912
   lambda_method(Closure , ControllerBase , Object[] ) +179
   System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +248
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +39
   System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +125
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +640
   System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +312
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +691
   System.Web.Mvc.Controller.ExecuteCore() +162
   System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +305
   System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +62
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +20
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +469
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +375


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1040