UI Path 2019.10 upgrade issue

after upgrading the uipath version to 2019.10 from 2018.4.3 i got an issue

19.10.4+Branch.support-v2019.10.Sha.fe819a658cad0585a64d2f8af94fad5c30b8d122

Message: Cannot create unknown type ‘{http://schemas.uipath.com/workflow/activities}InvokePowerShell({clr-namespace:System.Management.Automation;assembly=System.Management.Automation}PSObject)’.

Exception Type: System.Xaml.XamlObjectWriterException

RemoteException wrapping System.Xaml.XamlObjectWriterException: Cannot create unknown type ‘{http://schemas.uipath.com/workflow/activities}InvokePowerShell({clr-namespace:System.Management.Automation;assembly=System.Management.Automation}PSObject)’.
at System.Xaml.XamlObjectWriter.WriteStartObject(XamlType xamlType)
at System.Xaml.XamlWriter.WriteNode(XamlReader reader)
at System.Xaml.XamlServices.Transform(XamlReader xamlReader, XamlWriter xamlWriter, Boolean closeWriter)
at System.Activities.XamlIntegration.FuncFactory1.Evaluate() at System.Activities.Activity.OnInternalCacheMetadata(Boolean createEmptyBindings) at System.Activities.Activity.InternalCacheMetadata(Boolean createEmptyBindings, IList1& validationErrors)
at System.Activities.ActivityUtilities.ProcessActivity(ChildActivity childActivity, ChildActivity& nextActivity, Stack1& activitiesRemaining, ActivityCallStack parentChain, IList1& validationErrors, ProcessActivityTreeOptions options, ProcessActivityCallback callback)
at System.Activities.ActivityUtilities.ProcessActivityTreeCore(ChildActivity currentActivity, ActivityCallStack parentChain, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList1& validationErrors) at System.Activities.ActivityUtilities.CacheRootMetadata(Activity activity, LocationReferenceEnvironment hostEnvironment, ProcessActivityTreeOptions options, ProcessActivityCallback callback, IList1& validationErrors)
at System.Activities.WorkflowInspectionServices.d__3.MoveNext()
at System.Linq.Enumerable.d__172.MoveNext() at System.Linq.Enumerable.<ConcatIterator>d__591.MoveNext()
at System.Linq.Enumerable.d__172.MoveNext() at System.Linq.Enumerable.WhereSelectEnumerableIterator2.MoveNext()
at System.Linq.Enumerable.d__641.MoveNext() at System.Linq.Buffer1…ctor(IEnumerable1 source) at System.Linq.Enumerable.ToArray[TSource](IEnumerable1 source)
at UiPath.Executor.Tracking.TrackingHelpers.GetVariableNames(Activity activity)
at UiPath.Executor.Tracking.TrackingHelpers.TrackVariables(TrackingProfile profile, WorkflowInfo workflowInfo)
at UiPath.Executor.Tracking.DebugTrackingParticipant.RegisterWorkflow(WorkflowInfo workflowInfo)
at UiPath.Executor.DebuggerPlugin.UiPath.Executor.IDebuggerPlugin.RegisterWorkflowTracking(WorkflowInfo workflowInfo)
at UiPath.Executor.Tracking.WorkflowTracking.RegisterWorkflowTracking(WorkflowInfo workflowInfo)
at UiPath.Executor.WorkflowRuntime.RegisterWorkflow(WorkflowInfo workflowInfo)
at UiPath.Executor.RobotRunner.InitWorkflowApplication()
at UiPath.Executor.RobotRunner.d__78.MoveNext()

Hi @vasavi.gatiganti,
Is this problem occurring during Studio start or during project?