Hi,
I have got the following exception ==> Do you have any idea? It would be highly appreciated.
System.AggregateException: One or more errors occurred. ---> Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = LanguageService (ReflectionActivator), Services = [Nop.Services.Localization.ILanguageService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = StoreMappingService (ReflectionActivator), Services = [Nop.Services.Stores.IStoreMappingService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) (See inner exception for details.) (See inner exception for details.) ---> Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = StoreMappingService (ReflectionActivator), Services = [Nop.Services.Stores.IStoreMappingService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) (See inner exception for details.) ---> Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) ---> System.NullReferenceException: Object reference not set to an instance of an object. at Nop.Services.Configuration.SettingService.GetSettingByKey[T](String key, T defaultValue, Int32 storeId, Boolean loadSharedValueIfNotFound) at Nop.Services.Configuration.SettingService.LoadSetting[T](Int32 storeId) at Nop.Web.Framework.SettingsSource.<>c__2`1.<BuildRegistration>b__2_0(IComponentContext c, IEnumerable`1 p) at Autofac.Builder.RegistrationBuilder.<>c__DisplayClass0_0`1.<ForDelegate>b__0(IComponentContext c, IEnumerable`1 p) at Autofac.Core.Activators.Delegate.DelegateActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Activators.Reflection.AutowiringParameter.<>c__DisplayClass0_0.<CanSupplyValue>b__0() at Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() at Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Activators.Reflection.AutowiringParameter.<>c__DisplayClass0_0.<CanSupplyValue>b__0() at Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() at Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable`1 parameters, Object& instance) at Autofac.ResolutionExtensions.ResolveService(IComponentContext context, Service service, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context) at Nop.Core.Infrastructure.DependencyManagement.ContainerManager.Resolve[T](String key, ILifetimeScope scope) at Nop.Core.Infrastructure.NopEngine.Resolve[T]() at Nop.Services.Seo.SeoExtensions.GetSeName(Int32 entityId, String entityName, Int32 languageId, Boolean returnDefaultValue, Boolean ensureTwoPublishedLanguages) at Nop.Services.Seo.SeoExtensions.GetSeName[T](T entity, Int32 languageId, Boolean returnDefaultValue, Boolean ensureTwoPublishedLanguages) at Nop.Services.Seo.SeoExtensions.GetSeName[T](T entity) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.GetProductUrl(Store store, Product product) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<>c__DisplayClass45_1.<GetUpdatedProducts>b__3(Product product) at System.Linq.Enumerable.<SelectManyIterator>d__16`2.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__16`2.MoveNext() at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection) at System.Collections.Generic.List`1.AddRange(IEnumerable`1 collection) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.GetProductOperations() at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<GetEcommerceApiOperations>d__34.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<Synchronize>d__73.MoveNext() --- End of inner exception stack trace --- at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions) at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification) at System.Threading.Tasks.Task`1.get_Result() at Nop.Plugin.Misc.MailChimp.MailChimpPlugin.Synchronize() at Nop.Plugin.Misc.MailChimp.Services.MailChimpSynchronizationTask.Execute() at Nop.Services.Tasks.Task.Execute(Boolean throwException, Boolean dispose, Boolean ensureRunOnOneWebFarmInstance) ---> (Inner Exception #0) Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = LanguageService (ReflectionActivator), Services = [Nop.Services.Localization.ILanguageService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = StoreMappingService (ReflectionActivator), Services = [Nop.Services.Stores.IStoreMappingService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) (See inner exception for details.) (See inner exception for details.) ---> Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = StoreMappingService (ReflectionActivator), Services = [Nop.Services.Stores.IStoreMappingService], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) (See inner exception for details.) ---> Autofac.Core.DependencyResolutionException: An error occurred during the activation of a particular registration. See the inner exception for details. Registration: Activator = CatalogSettings (DelegateActivator), Services = [Nop.Core.Domain.Catalog.CatalogSettings], Lifetime = Autofac.Core.Lifetime.CurrentScopeLifetime, Sharing = Shared, Ownership = OwnedByLifetimeScope ---> Object reference not set to an instance of an object. (See inner exception for details.) ---> System.NullReferenceException: Object reference not set to an instance of an object. at Nop.Services.Configuration.SettingService.GetSettingByKey[T](String key, T defaultValue, Int32 storeId, Boolean loadSharedValueIfNotFound) at Nop.Services.Configuration.SettingService.LoadSetting[T](Int32 storeId) at Nop.Web.Framework.SettingsSource.<>c__2`1.<BuildRegistration>b__2_0(IComponentContext c, IEnumerable`1 p) at Autofac.Builder.RegistrationBuilder.<>c__DisplayClass0_0`1.<ForDelegate>b__0(IComponentContext c, IEnumerable`1 p) at Autofac.Core.Activators.Delegate.DelegateActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Activators.Reflection.AutowiringParameter.<>c__DisplayClass0_0.<CanSupplyValue>b__0() at Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() at Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Activators.Reflection.AutowiringParameter.<>c__DisplayClass0_0.<CanSupplyValue>b__0() at Autofac.Core.Activators.Reflection.ConstructorParameterBinding.Instantiate() at Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) --- End of inner exception stack trace --- at Autofac.Core.Resolving.InstanceLookup.Activate(IEnumerable`1 parameters) at Autofac.Core.Resolving.InstanceLookup.<Execute>b__5_0() at Autofac.Core.Lifetime.LifetimeScope.GetOrCreateAndShare(Guid id, Func`1 creator) at Autofac.Core.Resolving.InstanceLookup.Execute() at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Resolving.ResolveOperation.Execute(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(IComponentRegistration registration, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.TryResolveService(IComponentContext context, Service service, IEnumerable`1 parameters, Object& instance) at Autofac.ResolutionExtensions.ResolveService(IComponentContext context, Service service, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context, IEnumerable`1 parameters) at Autofac.ResolutionExtensions.Resolve[TService](IComponentContext context) at Nop.Core.Infrastructure.DependencyManagement.ContainerManager.Resolve[T](String key, ILifetimeScope scope) at Nop.Core.Infrastructure.NopEngine.Resolve[T]() at Nop.Services.Seo.SeoExtensions.GetSeName(Int32 entityId, String entityName, Int32 languageId, Boolean returnDefaultValue, Boolean ensureTwoPublishedLanguages) at Nop.Services.Seo.SeoExtensions.GetSeName[T](T entity, Int32 languageId, Boolean returnDefaultValue, Boolean ensureTwoPublishedLanguages) at Nop.Services.Seo.SeoExtensions.GetSeName[T](T entity) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.GetProductUrl(Store store, Product product) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<>c__DisplayClass45_1.<GetUpdatedProducts>b__3(Product product) at System.Linq.Enumerable.<SelectManyIterator>d__16`2.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__16`2.MoveNext() at System.Collections.Generic.List`1.InsertRange(Int32 index, IEnumerable`1 collection) at System.Collections.Generic.List`1.AddRange(IEnumerable`1 collection) at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.GetProductOperations() at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<GetEcommerceApiOperations>d__34.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult() at Nop.Plugin.Misc.MailChimp.Services.MailChimpManager.<Synchronize>d__73.MoveNext()<---