http://schemas.microsoft.com/netfx/2009/xaml/activities}OutArgument({http://schemas.uipath.com/workflow/activities}Window)'

Help
1

Hi,

can someone help with this issue?

Info: Cannot create unknown type ‘{http://schemas.microsoft.com/netfx/2009/xaml/activities}OutArgument({http://schemas.uipath.com/workflow/activities}Window)’.

An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.Xaml.XamlObjectWriterException: Cannot create unknown type ‘{http://schemas.microsoft.com/netfx/2009/xaml/activities}OutArgument({http://schemas.uipath.com/workflow/activities}Window)’.
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.DynamicActivity.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.Hosting.WorkflowInstance.ValidateWorkflow(WorkflowInstanceExtensionManager extensionManager)
at System.Activities.Hosting.WorkflowInstance.RegisterExtensionManager(WorkflowInstanceExtensionManager extensionManager)
at System.Activities.WorkflowApplication.EnsureInitialized()
at System.Activities.WorkflowApplication.Enqueue(InstanceOperation operation, Boolean push)
at System.Activities.WorkflowApplication.SimpleOperationAsyncResult.Run(TimeSpan timeout)
at System.Activities.WorkflowApplication.BeginRun(AsyncCallback callback, Object state)
at UiPath.Executor.RobotRunner.RunWorkflow() in D:\a\1\s\Robot\UiPath.Executor\RobotRunner.cs:line 301

Start Time: 07/22/2019 1:04:50 PM

End Time: 07/22/2019 1:05:06 PM

Input Values: null

Output Values: null

2

Seems like a dependency error. Can you check all the necessary activity packages are installed and available ?
If this is occurring on prod machine, compare with your dev machine.
P.S - Mostly likely your excel activities are missing here…

3

@marica_licciardello

Delete project.json file and install all requried packages from Manage Packages option and check it.

1 Like
4

Hi @marica_licciardello

Please also refer to these solved topics:
https://forum.uipath.com/search?q=Cannot%20create%20unknown%20type%20status%3Asolved

5

This topic was automatically closed 3 days after the last reply. New replies are no longer allowed.