Not able to open any existing project in Uipath 2021 Studio 2018.1.3 Enterprise Edition

Capture

Exception has been thrown by the target of an invocation.

System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. —> System.TypeLoadException: Could not load type ‘UiPath.Project.WorkflowProjectType’ from assembly ‘UiPath.Project, Version=18.1.3.7, Culture=neutral, PublicKeyToken=null’.
at System.Reflection.RuntimeAssembly.GetExportedTypes(RuntimeAssembly assembly, ObjectHandleOnStack retTypes)
at System.Reflection.RuntimeAssembly.GetExportedTypes()
at System.Activities.Presentation.View.ImportDesigner.GetUniqueNamespacesInAssembly(Assembly assembly, AssemblyContextControlItem assemblyContextItem)
at System.Activities.Presentation.View.ImportDesigner.UpdateAvailableNamespaces(Assembly assembly, AssemblyContextControlItem assemblyContextItem)
at System.Activities.Presentation.View.ImportDesigner.GetAvailableNamespaces()
at System.Activities.Presentation.View.ImportDesigner.OnContextChanged()
at System.Activities.Presentation.View.ImportDesigner.OnContextChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
at System.Windows.Data.BindingExpression.Activate(Object item)
at System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
at System.Windows.Data.BindingExpression.MS.Internal.Data.IDataBindEngineClient.AttachToContext(Boolean lastChance)
at MS.Internal.Data.DataBindEngine.Task.Run(Boolean lastChance)
at MS.Internal.Data.DataBindEngine.Run(Object arg)
at MS.Internal.Data.DataBindEngine.OnLayoutUpdated(Object sender, EventArgs e)
at System.Windows.ContextLayoutManager.fireLayoutUpdateEvent()
at System.Windows.ContextLayoutManager.UpdateLayout()
at System.Windows.UIElement.UpdateLayout()
at ActiproSoftware.Windows.Controls.Ribbon.RibbonWindow.ArrangeWindowTitleBar(Double actualWidth)
at ActiproSoftware.Windows.Controls.Ribbon.RibbonWindow.OnRibbonTitleBarArrangeRequested(Object sender, RoutedEventArgs e)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
at ActiproSoftware.Windows.Controls.Ribbon.Ribbon.ArrangeTitleBar(Boolean force)
at ActiproSoftware.Windows.Controls.Ribbon.Ribbon.OnRenderSizeChanged(SizeChangedInfo sizeInfo)
at System.Windows.ContextLayoutManager.fireSizeChangedEvents()
at System.Windows.ContextLayoutManager.UpdateLayout()
at System.Windows.UIElement.UpdateLayout()
at ActiproSoftware.Windows.Controls.Ribbon.RibbonWindow.ArrangeWindowTitleBar(Double actualWidth)
at ActiproSoftware.Windows.Controls.Ribbon.RibbonWindow.UpdateRibbonVisibility(Boolean force)
at ActiproSoftware.Windows.Controls.Ribbon.RibbonWindow.OnRibbonIsApplicationMenuOpenChanged(Object sender, BooleanPropertyChangedRoutedEventArgs e)
— End of inner exception stack trace —
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object parameters, Object arguments)
at System.Delegate.DynamicInvokeImpl(Object args)
at System.Windows.RoutedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
at ActiproSoftware.Windows.Controls.Ribbon.Ribbon.OnIsApplicationMenuOpenPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
at System.Windows.FrameworkElement.OnPropertyChanged(DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.NotifyPropertyChange(DependencyPropertyChangedEventArgs args)
at System.Windows.DependencyObject.UpdateEffectiveValue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
at System.Windows.DependencyObject.InvalidateProperty(DependencyProperty dp, Boolean preserveCurrentValue)
at System.Windows.Data.BindingExpressionBase.Invalidate(Boolean isASubPropertyChange)
at System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
at System.Windows.Data.BindingExpression.ScheduleTransfer(Boolean isASubPropertyChange)
at MS.Internal.Data.ClrBindingWorker.NewValueAvailable(Boolean dependencySourcesChanged, Boolean initialValue, Boolean isASubPropertyChange)
at MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(Int32 k, ICollectionView collectionView, Object newValue, Boolean isASubPropertyChange)
at MS.Internal.Data.ClrBindingWorker.OnSourcePropertyChanged(Object o, String propName)
at MS.Internal.Data.PropertyPathWorker.OnPropertyChanged(Object sender, PropertyChangedEventArgs e)
at System.Windows.WeakEventManager.ListenerList1.DeliverEvent(Object sender, EventArgs e, Type managerType) at System.ComponentModel.PropertyChangedEventManager.OnPropertyChanged(Object sender, PropertyChangedEventArgs args) at Caliburn.Micro.PropertyChangedBase.OnPropertyChanged(PropertyChangedEventArgs e) at Caliburn.Micro.PropertyChangedBase.<>c__DisplayClass9_0.<NotifyOfPropertyChange>b__0() at Caliburn.Micro.XamlPlatformProvider.OnUIThread(Action action) at Caliburn.Micro.PropertyChangedBase.NotifyOfPropertyChange(String propertyName) at Caliburn.Micro.PropertyChangedBase.NotifyOfPropertyChange[TProperty](Expression1 property)
at UiPath.Workflow.ViewModels.ShellViewModel.set_ShowStartScreen(Boolean value)
at UiPath.Workflow.ViewModels.ShellViewModel.OpenSelectedWorkflow(String fileName)
at UiPath.Workflow.ViewModels.ShellViewModel.<get_OpenFromWorkflowCommand>b__14_0(Object param)
at UiPath.Workflow.RelayCommand.Execute(Object parameter)

Hi,

This seems duplicated post.

Perhaps you should remove(close) either one.

Regards,