When opened a robot i gain the article “collection was modified enumeration operation could not execute” regullarly. After 3 times or more the robot opens. How deserve to I prefend this native happening?


You are watching: Collection was modified; enumeration operation may not execute.

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21.4.3+Branch.master.Sha.7d66317b828533c43b8fc299ec1cfdc22a138bc2

Collection was modified; enumeration operation may not execute.

Open file Error: sommos.net.Studio.Contracts.RecoverableException—> sommos.net.Studio.Contracts.RecoverableException: The item ‘L:\Smallsteps Staf\RPA\Programma\Kocon-Facturatie - Kocon33 uitzonderingen Fysiek sturen\Main.xaml’ might not be opened: An exception was thrown while activating sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerWrapper…—> RemoteException pack Autofac.Core.DependencyResolutionException: An exception was thrown while activating sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerWrapper. —> RemoteException pack Autofac.Core.DependencyResolutionException: An exception was thrown if invoking the constructor "Void .ctor(sommos.net.Studio.Plugin.Workflow.WorkflowHandling.IDesignerBuilder, sommos.net.Studio.Contracts.Desktop.MVVM.IDispatcherService, sommos.net.Studio.Plugin.Workflow.ExpressionEditor.IExpressionEditorRepository, System.Func1, sommos.net.Studio.Plugin.Workflow.Services.Interfaces.IDocumentationLinksService, sommos.net.Studio.Contracts.Desktop.IResourceIconsService, sommos.net.Studio.Analytics.Contracts.ITelemetryProvider, sommos.net.Studio.Contracts.IOutputLoggerService, sommos.net.Studio.Plugin.Workflow.Services.Interfaces.IInvokeWorkflowProjectService, sommos.net.Studio.Plugin.Workflow.Services.Interfaces.IRefactoringsService, sommos.net.Studio.Plugin.Workflow.Shared.Activities.IActivityFactory, sommos.net.Studio.Plugin.Workflow.Services.Interfaces.ISimpleMessageBoxService, System.IO.Abstractions.IFileSystem, sommos.net.Studio.Plugin.Workflow.WorkflowHandling.Theme.IDesignerThemeBehavior, sommos.net.Studio.App.Desktop.MVVM.Commands.ICommandFactory, sommos.net.Studio.Plugin.Workflow.WorkflowHandling.IDesignerConfiguration, System.Func2, sommos.net.Studio.Plugin.Workflow.Debugger.Execution.Services.IDesignerExecutionService, Factory, Factory, sommos.net.Studio.Contracts.Profile.IProfile, sommos.net.Studio.Activities.Api.IWorkflowDesignApi, sommos.net.Studio.Plugin.Workflow.Shared.Services.Interfaces.ISettingsServiceWrapper, sommos.net.Studio.Plugin.Workflow.Debugger.Navigation.Services.IDesignerExecutionTrailService, sommos.net.Studio.Plugin.Workflow.Execution.Services.IExecutionTrailRepository, Factory, sommos.net.Studio.Plugin.Workflow.WorkflowHandling.Interfaces.IInsertActivityService, sommos.net.Studio.Plugin.Workflow.WorkflowHandling.Interfaces.IInsertWizardResultService, sommos.net.Studio.Plugin.Workflow.Shared.Interfaces.IExpressionCompiler, System.Func3, Factory, sommos.net.Studio.Plugin.Workflow.Shared.WorkflowHandling.IDesignerActivitiesCommandsRepository, sommos.net.Studio.Plugin.Workflow.SyntaxLanguage.ISyntaxLanguageService, sommos.net.Studio.Plugin.Workflow.AddInFramework.IAddInProjectService, sommos.net.Studio.Plugin.Workflow.Shared.Excel.IExcelService, sommos.net.Studio.Plugin.Workflow.Shared.ToolWindows.IToolWindowProjectService, sommos.net.Studio.Plugin.Workflow.WorkflowHandling.Interfaces.IDesignerDecoratorService, sommos.net.Studio.Plugin.Workflow.Shared.Services.Interfaces.IDesignerViewAdornerService, sommos.net.Studio.Plugin.Workflow.Patches.Interfaces.IPatchService, sommos.net.Studio.Plugin.Workflow.Services.Interfaces.IActivityIconFinder)" on form "DesignerWrapper". ---> RemoteException wrapping System.TypeInitializationException: The form initializer for "System.Activities.Presentation.WorkflowDesigner" threw an exception.

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---> RemoteException pack System.InvalidOperationException: repertoire was modified; enumeration operation might not execute. At System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.Dictionary2.KeyCollection.Enumerator.MoveNext()at System.Activities.Presentation.Metadata.MetadataStore.MetadataStoreProvider.AddTable(AttributeTable table, Boolean isSystemAttributeTable)at System.Activities.Presentation.Metadata.MetadataStore.AddAttributeTableCore(AttributeTable table, Boolean isSystemAttributeTable)at System.Activities.Presentation.Metadata.MetadataStore.AddAttributeTable(AttributeTable table)at System.Activities.Presentation.DesignerMetadata.Register()at System.Activities.Presentation.WorkflowDesigner…cctor()— end of inner exception stack map —at System.Activities.Presentation.WorkflowDesigner…ctor()at sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerBuilder.BuildBasic()at sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerBuilder.BuildInternal(DesignerEventsSubscriber eventsSubscriber, string workflowId, wire fileName)at sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerBuilder.Build(DesignerEventsSubscriber eventsSubscriber, wire workflowId, string fileName)at sommos.net.Studio.Plugin.Workflow.WorkflowHandling.DesignerWrapper…ctor(IDesignerBuilder designerBuilder, IDispatcherService dispatchingService, IExpressionEditorRepository expressionEditorService, Func1 findReferencesManagerFactory, IDocumentationLinksService documentationLinksService, IResourceIconsService resourceIconsService, ITelemetryProvider telemetryProvider, IOutputLoggerService outputLoggerServices, IInvokeWorkflowProjectService invokeWorkflowSupport, IRefactoringsService refactoringsService, IActivityFactory activityFactory, ISimpleMessageBoxService simpleMessageBoxService, IFileSystem fileSystem, IDesignerThemeBehavior designerThemeBehavior, ICommandFactory commandFactory, IDesignerConfiguration designerConfiguration, Func2 designerVariablesServiceFactory, IDesignerExecutionService executionController, manufacturing facility workflowTransformRepositoryFactory, manufacturing facility expressionEditorServiceFactory, IProfile profile, IWorkflowDesignApi workflowDesignApi, ISettingsServiceWrapper settingsServiceWrapper, IDesignerExecutionTrailService designerExecutionTrailService, IExecutionTrailRepository executionTrailRepository, manufacturing facility contextMenuBuilderFactory, IInsertActivityService insertActivityService, IInsertWizardResultService insertWizardResultService, IExpressionCompiler expressionCompiler, Func3 propertyGridWrapperFactory, factory workflowDesignerValidationServiceFactory, IDesignerActivitiesCommandsRepository designerActivitiesCommandsRepository, ISyntaxLanguageService syntaxLanguageService, IAddInProjectService addInService, IExcelService excelService, IToolWindowProjectService toolWindowProjectService, IDesignerDecoratorService designerDecoratorService, IDesignerViewAdornerService designerViewAdornerService, IPatchService patchService, IActivityIconFinder activityIconFinder) in ~ lambda_method(Closure , Object<> ) in ~ Autofac.Core.Activators.Reflection.BoundConstructor.Instantiate() --- finish of inner exception stack map --- at Autofac.Core.Activators.Reflection.BoundConstructor.Instantiate() in ~ Autofac.Core.Activators.Reflection.ReflectionActivator.ActivateInstance(IComponentContext context, IEnumerable1 parameters)at Autofac.Core.Activators.Reflection.ReflectionActivator.b__11_0(ResolveRequestContext ctxt, Action1 next) in ~ Autofac.Core.Resolving.Middleware.DelegateMiddleware.Execute(ResolveRequestContext context, Action1 next)at Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt)at Autofac.Core.Resolving.Middleware.ActivatorErrorHandlingMiddleware.Execute(ResolveRequestContext context, Action1 next) --- finish of inner exception stack map --- in ~ Autofac.Core.Resolving.Middleware.ActivatorErrorHandlingMiddleware.Execute(ResolveRequestContext context, Action1 next)at Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt)at Autofac.Core.Pipeline.ResolvePipeline.Invoke(ResolveRequestContext ctxt)at Autofac.Core.Resolving.Middleware.RegistrationPipelineInvokeMiddleware.Execute(ResolveRequestContext context, Action1 next) in ~ Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt) in ~ Autofac.Core.Resolving.Middleware.SharingMiddleware.Execute(ResolveRequestContext context, Action1 next)at Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt)at Autofac.Core.Resolving.Middleware.ScopeSelectionMiddleware.Execute(ResolveRequestContext context, Action1 next) at Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt) at Autofac.Core.Resolving.Middleware.CircularDependencyDetectorMiddleware.Execute(ResolveRequestContext context, Action1 next)at Autofac.Core.Resolving.Pipeline.ResolvePipelineBuilder.c__DisplayClass14_0.b__1(ResolveRequestContext ctxt)at Autofac.Core.Pipeline.ResolvePipeline.Invoke(ResolveRequestContext ctxt)at Autofac.Core.Resolving.ResolveOperation.GetOrCreateInstance(ISharingLifetimeScope currentOperationScope, ResolveRequest request)at Autofac.Core.Resolving.ResolveOperation.ExecuteOperation(ResolveRequest request)at Autofac.Core.Lifetime.LifetimeScope.ResolveComponent(ResolveRequest request)at lambda_method(Closure )at sommos.net.Studio.Plugin.Workflow.Services.DesignerRepository.c__DisplayClass10_0.b__0()at sommos.net.Studio.Shared.MVVM.Services.DispatcherExtensions.Invoke(Dispatcher dispatcher, activity action, Boolean onlyBeginInvokeWhenNoAccess)at sommos.net.Studio.Shared.MVVM.Services.DispatcherService.Invoke(Action action, Boolean onlyInvokeWhenNoAccess)at sommos.net.Studio.Plugin.Workflow.Services.DesignerRepository.AddDesignerWrapper()at sommos.net.Studio.Plugin.Workflow.Services.DesignerFileProjectEndpoint.c__DisplayClass5_0.d.MoveNext()— end of stack map from previous ar where exception was thrown —at sommos.net.Studio.Plugin.Workflow.Services.DesignerFileProjectEndpoint.c__DisplayClass5_0.d.MoveNext()— finish of stack trace from previous location where exemption was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.Studio.Shared.MVVM.Services.DispatcherService.d__15.MoveNext()— end of stack trace from previous place where exception was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.Studio.Plugin.Workflow.Services.DesignerFileProjectEndpoint.d__5.MoveNext()— finish of stack trace from previous place where exemption was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.CoreIpc.Server.d__22.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 sommos.net.CoreIpc.Server.d__21.MoveNext()— finish of stack map from previous ar where exception was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.CoreIpc.Server.c__DisplayClass4_2.b__6>d.MoveNext()— finish of stack trace from previous ar where exception was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.CoreIpc.IOHelpers.d__13.MoveNext()— finish of stack map from previous ar where exception was thrown —at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)at sommos.net.CoreIpc.IOHelpers.d__191.MoveNext() --- finish of inner exemption stack map --- in ~ sommos.net.Studio.Core.Services.PersistableServiceBase3.OnOpenAsync(String path, IFactory2 resolvedFactory, IOpenOptions options) in ~ sommos.net.Studio.Shell.Services.DocumentService.OnOpenAsync(String path, IFactory2 resolvedFactory, IOpenOptions options)at sommos.net.Studio.Core.Services.PersistableServiceBase`3.OpenAsync(OpenInformation openInfo)at sommos.net.Studio.Core.CommonServices.OpenCloseCommandsService.OpenDocumentAsync(OpenInformation openInfo)— end of inner exception stack trace —at sommos.net.Studio.Core.CommonServices.OpenCloseCommandsService.OpenDocumentAsync(OpenInformation openInfo)at sommos.net.Studio.Core.CommonServices.OpenCloseCommandsService.OpenPath(String filePath)at sommos.net.Studio.Shell.ShellApplication.StudioShellApplication.ProcessWithCommandLine()at sommos.net.Studio.Shell.ShellApplication.StudioShellApplication.c__DisplayClass19_0.d.MoveNext()— finish of stack trace from previous ar —at System.Threading.Tasks.Task.c.b__140_0(Object state)at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, object args, Int32 numArgs)at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, object args, Int32 numArgs, Delegate catchHandler), HResult -2146233088