Server Error in '/' Application.

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[InvalidOperationException: The 'Email' property on 'CommerceShopper' could not be set to a 'System.Int32' value. You must set this property to a non-null value of type 'System.String'. ]
   System.Data.Entity.Core.Common.Internal.Materialization.ErrorHandlingValueReader`1.GetValue(DbDataReader reader, Int32 ordinal) +336
   lambda_method(Closure , Shaper ) +601
   System.Data.Entity.Core.Common.Internal.Materialization.Shaper.HandleEntityAppendOnly(Func`2 constructEntityDelegate, EntityKey entityKey, EntitySet entitySet) +249
   lambda_method(Closure , Shaper ) +404
   System.Data.Entity.Core.Common.Internal.Materialization.Coordinator`1.ReadNextElement(Shaper shaper) +381
   System.Data.Entity.Core.Common.Internal.Materialization.SimpleEnumerator.MoveNext() +88
   System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source) +243
   Musicnotes.BusinessLogic.ShopperRepository.GetBy(String shopperId) in C:\BuildAgent\work\dac5058dfd42cc39\musicnotes_mn1\Musicnotes.BusinessLogic\ShopperRepository.cs:60
   Castle.Proxies.Invocations.IShopperRepository_GetBy.InvokeMethodOnTarget() +102
   Castle.DynamicProxy.AbstractInvocation.Proceed() +110
   Musicnotes.Application.ExceptionLogger.Intercept(IInvocation invocation) in C:\BuildAgent\work\dac5058dfd42cc39\musicnotes_mn1\Musicnotes.Application\ExceptionLogger.cs:56
   Castle.DynamicProxy.AbstractInvocation.Proceed() +447
   Castle.Proxies.IShopperRepositoryProxy.GetBy(String shopperId) +128
   Musicnotes.Application.SiteShopper.InitializeCurrentShopper() in C:\BuildAgent\work\dac5058dfd42cc39\musicnotes_mn1\Musicnotes.Application\SiteShopper.cs:64
   lambda_method(Closure , Object[] ) +170
   Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() +253

[DependencyResolutionException: An exception was thrown while invoking the constructor 'Void .ctor(Musicnotes.Application.ISiteUser, Musicnotes.BusinessLogic.IShopperRepository, Musicnotes.Application.Services.IBrowserCapabilitiesService)' on type 'SiteShopper'. ---> The 'Email' property on 'CommerceShopper' could not be set to a 'System.Int32' value. You must set this property to a non-null value of type 'System.String'.  (See inner exception for details.)]
   Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() +717
   Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) +272
   Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) +86
   Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) +144
   Autofac.Core.Resolving.InstanceLookup.Execute() +183
   Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) +171
   Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() +122
   Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) +272
   Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) +86
   Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) +144
   Autofac.Core.Resolving.InstanceLookup.Execute() +183
   Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) +171
   Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() +122
   Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) +272
   Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) +86
   Autofac.Core.Resolving.InstanceLookup.Execute() +63
   Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) +171
   Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration registration, IEnumerable`1 parameters) +108
   Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable`1 parameters, Object& instance) +122
   Autofac.ResolutionExtensions.ResolveOptionalService(IComponentContext context, Service service, IEnumerable`1 parameters) +70
   Autofac.Integration.Mvc.AutofacDependencyResolver.GetService(Type serviceType) +75
   System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext, Type controllerType) +61

[InvalidOperationException: An error occurred when trying to create a controller of type 'Musicnotes.Controllers.ErrorController'. Make sure that the controller has a parameterless public constructor.]
   System.Web.Mvc.DefaultControllerActivator.Create(RequestContext requestContext, Type controllerType) +242
   System.Web.Mvc.DefaultControllerFactory.GetControllerInstance(RequestContext requestContext, Type controllerType) +1583
   System.Web.Mvc.DefaultControllerFactory.CreateController(RequestContext requestContext, String controllerName) +103
   System.Web.Mvc.MvcHandler.ProcessRequestInit(HttpContextBase httpContext, IController& controller, IControllerFactory& factory) +263
   System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state) +85
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +3601
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +224
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +1366