EventID : 1 MachineName : servername Data : {} Index : 323434 Category : (0) CategoryNumber : 0 EntryType : Error Message : The description for Event ID '1' in Source 'Microsoft IIS Administration API' cannot be found. The local computer may not have the necessary registry information or message DLL files to display the message, or you may not have permission to access them. The following information is part of the event:'Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware An unhandled exception has occurred while executing the request. System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.Collections.Generic.Dictionary`2.KeyCollection.Enumerator.MoveNext() at System.Linq.Enumerable.SelectEnumerableIterator`2.MoveNext() at System.Linq.Enumerable.DistinctIterator`1.MoveNext() at Microsoft.IIS.Administration.Monitoring.CounterProvider.GetCounters(String category, String instance, IEnumerable`1 counterNames) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetCounters(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.Query(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapShot(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapshots(IEnumerable`1 sites) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitoringController.Get() at lambda_method(Closure , Object ) at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync() at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) at Microsoft.IIS.Administration.WebServer.Injector.ProceedNoTransaction(HttpContext context) at Microsoft.IIS.Administration.WebServer.Injector.Invoke(HttpContext context) at Microsoft.IIS.Administration.HeadTransform.Invoke(HttpContext context) at Microsoft.IIS.Administration.Startup.<>c.<b__4_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Security.Authorization.AuthorizationPolicyMiddleware.Invoke(HttpContext context, IAuthorizationService authorizationService) at Microsoft.IIS.Administration.Security.WindowsAuthenticationExtensions.<>c.<b__0_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c.<b__0_3>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c__DisplayClass0_0.<b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.ErrorHandler.Invoke(HttpContext context) at Microsoft.IIS.Administration.ErrorHandler.Invoke(HttpContext context) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.Invoke(HttpContext context)' Source : Microsoft IIS Administration API ReplacementStrings : {Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware An unhandled exception has occurred while executing the request. System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.Collections.Generic.Dictionary`2.KeyCollection.Enumerator.MoveNext() at System.Linq.Enumerable.SelectEnumerableIterator`2.MoveNext() at System.Linq.Enumerable.DistinctIterator`1.MoveNext() at Microsoft.IIS.Administration.Monitoring.CounterProvider.GetCounters(String category, String instance, IEnumerable`1 counterNames) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetCounters(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.Query(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapShot(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapshots(IEnumerable`1 sites) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitoringController.Get() at lambda_method(Closure , Object ) at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync() at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) at Microsoft.IIS.Administration.WebServer.Injector.ProceedNoTransaction(HttpContext context) at Microsoft.IIS.Administration.WebServer.Injector.Invoke(HttpContext context) at Microsoft.IIS.Administration.HeadTransform.Invoke(HttpContext context) at Microsoft.IIS.Administration.Startup.<>c.<b__4_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Security.Authorization.AuthorizationPolicyMiddleware.Invoke(HttpContext context, IAuthorizationService authorizationService) at Microsoft.IIS.Administration.Security.WindowsAuthenticationExtensions.<>c.<b__0_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c.<b__0_3>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c__DisplayClass0_0.<b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.ErrorHandler.Invoke(HttpContext context) at Microsoft.IIS.Administration.ErrorHandler.Invoke(HttpContext context) at Microsoft.AspNetCore.Diagnostics.ExceptionHandlerMiddleware.Invoke(HttpContext context)} InstanceId : 1 TimeGenerated : 12/30/2020 1:52:41 PM TimeWritten : 12/30/2020 1:52:41 PM UserName : Site : Container : EventID : 0 MachineName : servername Data : {} Index : 323433 Category : (0) CategoryNumber : 0 EntryType : Error Message : The description for Event ID '0' in Source 'Microsoft IIS Administration API' cannot be found. The local computer may not have the necessary registry information or message DLL files to display the message, or you may not have permission to access them. The following information is part of the event:'Microsoft IIS Administration API encountered an unexpected error: System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.Collections.Generic.Dictionary`2.KeyCollection.Enumerator.MoveNext() at System.Linq.Enumerable.SelectEnumerableIterator`2.MoveNext() at System.Linq.Enumerable.DistinctIterator`1.MoveNext() at Microsoft.IIS.Administration.Monitoring.CounterProvider.GetCounters(String category, String instance, IEnumerable`1 counterNames) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetCounters(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.Query(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapShot(Site site) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitor.GetSnapshots(IEnumerable`1 sites) at Microsoft.IIS.Administration.WebServer.Monitoring.WebSiteMonitoringController.Get() at lambda_method(Closure , Object ) at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.AwaitableObjectResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextResourceFilter() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Rethrow(ResourceExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeFilterPipelineAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeAsync() at Microsoft.AspNetCore.Builder.RouterMiddleware.Invoke(HttpContext httpContext) at Microsoft.IIS.Administration.WebServer.Injector.ProceedNoTransaction(HttpContext context) at Microsoft.IIS.Administration.WebServer.Injector.Invoke(HttpContext context) at Microsoft.IIS.Administration.HeadTransform.Invoke(HttpContext context) at Microsoft.IIS.Administration.Startup.<>c.<b__4_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Security.Authorization.AuthorizationPolicyMiddleware.Invoke(HttpContext context, IAuthorizationService authorizationService) at Microsoft.IIS.Administration.Security.WindowsAuthenticationExtensions.<>c.<b__0_0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c.<b__0_3>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.Cors.Infrastructure.CorsMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.Cors.CorsExtensions.<>c__DisplayClass0_0.<b__0>d.MoveNext() --- End of stack trace from previous location where exception was thrown --- at Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware.Invoke(HttpContext context) at Microsoft.IIS.Administration.ErrorHandler.Invoke(HttpContext context)' Source : Microsoft IIS Administration API ReplacementStrings : {Microsoft IIS Administration API encountered an unexpected error: System.InvalidOperationException: Collection was modified; enumeration operation may not execute. InstanceId : 0 TimeGenerated : 12/30/2020 1:52:41 PM TimeWritten : 12/30/2020 1:52:41 PM UserName : Site : Container :