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System.IO.IOException: Invalid Signature

July 17, 2020, 11:45 am
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Can anyone explain why…I receive the following error when I attempt to Directory.GetFiles for all files in a shared drive folder location? Thanks!!!

Assign Activity
To: Delete_EmailAttachments (String Varable)
Value: Directory.GetFiles(“S:\Emails”,"*")

RemoteException wrapping System.IO.IOException: Invalid Signature.

at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileSystemEnumerableIterator1.CommonInit() at System.IO.FileSystemEnumerableIterator1…ctor(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler1 resultHandler, Boolean checkHost) at System.IO.Directory.GetFiles(String path, String searchPattern) at lambda_method(Closure , ActivityContext ) at Microsoft.VisualBasic.Activities.VisualBasicValue1.Execute(CodeActivityContext context)
at System.Activities.CodeActivity1.InternalExecuteInResolutionContext(CodeActivityContext context) at System.Activities.Runtime.ActivityExecutor.ExecuteInResolutionContext[T](ActivityInstance parentInstance, Activity1 expressionActivity)
at System.Activities.InArgument1.TryPopulateValue(LocationEnvironment targetEnvironment, ActivityInstance activityInstance, ActivityExecutor executor) at System.Activities.RuntimeArgument.TryPopulateValue(LocationEnvironment targetEnvironment, ActivityInstance targetActivityInstance, ActivityExecutor executor, Object argumentValueOverride, Location resultLocation, Boolean skipFastPath) at System.Activities.ActivityInstance.InternalTryPopulateArgumentValueOrScheduleExpression(RuntimeArgument argument, Int32 nextArgumentIndex, ActivityExecutor executor, IDictionary2 argumentValueOverrides, Location resultLocation, Boolean isDynamicUpdate)
at System.Activities.ActivityInstance.ResolveArguments(ActivityExecutor executor, IDictionary`2 argumentValueOverrides, Location resultLocation, Int32 startIndex)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

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"Please select evidence for the field" message in Document Understanding Framework

July 17, 2020, 11:00 pm
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Hello,

I’ve been trying to build a Process using the Document Understanding Framework. I’ve repeated and recreated my templates several times and yet, when I run the process, I get this error repeatedly.

image
image3780×497 93.6 KB

I have swapped the Microsoft and Tesseract OCRs. Also, the Form Extractor uses this API endpoint for which I use the Key from the Orchestrator Services tab.

image

I’ve also confirmed that the file I’m trying to extract information from is less then 50KB which is way below the limit of this end point.

Where am I going wrong?

thanks!

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Copy files with file length greater than 260 characters

November 27, 2019, 9:07 pm
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I need to copy a files whose path length is greater than 260 characters. This works fine when you copy it normally through file explorer or cmd or power-shell. But when I try to do this from “Move File” UiPath activity it throws the long file path error. I tried to invoke power-shell and passed the command, but still it throws the same error. Can somebody help me with this?

11 posts - 6 participants

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I am unable Scrape TEXT by Using "GetFullText"

July 18, 2020, 12:37 pm
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Chrome WebDriver Error

April 29, 2020, 9:30 am
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Hi,
Trying to use Chrome WebDriver Method in Open Browser.

Steps I have done form my side: -

  1. Download (https://chromedriver.chromium.org/downloads/) WebDriver execution file.
  2. Update the execution location to the PATH environment variable.

Changed the options in the Open Brower:
image

But still I’m facing the PATH environment error
image

Please someone advice me the solution for this.

Thanks,
Poovarasan Gunasekaran

3 posts - 3 participants

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Excel append range gives UiPath.Excel.ExcelException: Could not write the data table DataTable starting with cell A1

April 5, 2020, 3:09 am
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Hi,

I tried to read one excel using the “Read Range” activity and want to insert the data table returned from that activity to another excel using “Append Range”. But it gives me ExcelException mentioned in the title. Below are the logs for the same, can someone suggest a solution on this?

RemoteException wrapping UiPath.Excel.ExcelException: Could not write the data table DataTable starting with cell A1. —> RemoteException wrapping System.Runtime.InteropServices.COMException: The message filter indicated that the application is busy. (Exception from HRESULT: 0x8001010A (RPC_E_SERVERCALL_RETRYLATER))
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Dynamic.ComRuntimeHelpers.CheckThrowException(Int32 hresult, ExcepInfo& excepInfo, UInt32 argErr, String message)
at CallSite.Target(Closure , CallSite , ComObject , Int32 )
at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
at CallSite.Target(Closure , CallSite , Object , Int32 )
at System.Dynamic.UpdateDelegates.UpdateAndExecute2[T0,T1,TRet](CallSite site, T0 arg0, T1 arg1)
at UiPath.Excel.WorkbookApplication.WriteDataTable(Range startRange, Int32 startRow, DataTable newTable, Boolean includeHeaders)
at UiPath.Excel.WorkbookApplication.WriteRange(String startCell, DataTable data, Boolean includeHeaders)
— End of inner exception stack trace —
at UiPath.Excel.Activities.ExcelInteropActivity`1.EndExecute(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity.System.Activities.IAsyncCodeActivity.FinishExecution(AsyncCodeActivityContext context, IAsyncResult result)
at System.Activities.AsyncCodeActivity.CompleteAsyncCodeActivityData.CompleteAsyncCodeActivityWorkItem.Execute(ActivityExecutor executor, BookmarkManager bookmarkManager)

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Desktop has been disconnected while performing UI actions still persists

December 18, 2019, 12:51 am
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Hi @badita @loginerror and all, While running the robot from Orchestrator i am getting the following error: Desktop has been disconnected while performing UI actions.

If the session is kept open, it is able to perform the activities(Ui Interactions)
If the session is ended(RDP is closed or not open at all) it throws this error.

I have tried the resolution as UiPath does not work in Cloud but still facing the same issue.
Login to console is also set to “True”.

Please help,
Thanks in advance.

7 posts - 5 participants

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2019.10 - Invoke Workflow error

November 2, 2019, 3:19 am
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Hi,

On 2019.10.0-beta.477 when I try to invoke snippet “Wait For All Form Tasks Completion.xaml” using Invoke Workflow File I get the following message :
RemoteException wrapping System.Activities.ValidationException: An extension of type ‘UiPath.Activities.Contracts.Persistence.IPersistenceBookmarks’ must be configured in order to run this workflow.
at System.Activities.Hosting.WorkflowInstanceExtensionCollection…ctor(Activity workflowDefinition,
WorkflowInstanceExtensionManager extensionManager)
at System.Activities.Hosting.WorkflowInstanceExtensionManager.CreateInstanceExtensions(Activity workflowDefinition,
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.InProcessRunner.<>c__DisplayClass6_0.g__StartWorkflow|1()
at UiPath.Executor.InProcessRunner.BeginExecute(AsyncCallback callback,
Object state)
at UiPath.Core.Activities.ExecutorInvokeActivity.BeginExecute(AsyncCodeActivityContext context,
AsyncCallback callback,
Object state)
at System.Activities.AsyncCodeActivity.InternalExecute(ActivityInstance instance,
ActivityExecutor executor,
BookmarkManager bookmarkManager)
at System.Activities.ActivityInstance.Execute(ActivityExecutor executor,
BookmarkManager bookmarkManager)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor,
BookmarkManager bookmarkManager,
Location resultLocation)

I’m able to launch the file directly not just invoke it. what can be the reason?

28 posts - 15 participants

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Send Exchange Mail Message-The request failed. The request was aborted: Could not create SSL/TLS secure channel

May 3, 2020, 8:02 pm
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Hi Team,

I am facing issue while sending email through Send Exchange Mail Message.
Previously with same exchange server address its working fine,but now i am getting below error:
image

Appreciate your help !

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参照設定に関するエラーの対処方法教えてください。

July 20, 2020, 1:17 am
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現在とあるシナリオにてgmailのapiを動かしているのですが、次のようなエラーが表示されます。

Compiler error(s) encountered processing expression “out_Message”.
実装されたインターフェイス ‘Google.Apis.Requests.IDirectResponseSchema’ を含むアセンブリ ‘Google.Apis, Version=1.48.0.0, Culture=neutral, PublicKeyToken=4b01fa6e34db77ab’ への参照が必要です。参照をプロジェクトに追加してください。

上記使用している変数の型はListです。(Google.Apis.Gmail.v1.Data.Message)

しかし、正規のやり方(Manage Package)でGoogle.Apis.Gmail.v1(1.48.0.2013)を追加しているのに反応してくれません。
また、xamlをメモ帳で開いてみるとGoogle.Apis.Gmail.v1
の１行が入っていることが確認できました。

対処方法を教えてください。

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UIExplorere Chrome error

November 21, 2019, 3:54 am
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When i use indicate element on right click menu using Chrome browser, it prompt the error below

image
image

7 posts - 4 participants

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Deployment of Packages on Attended Node-Locked Robot

June 10, 2020, 10:35 pm
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image
image1097×117 44.1 KB

From the above image, i believe i had successfully installed and activated the license on my Attended Node-Locked Robot with v2019.10.4.

As my Attended Node-Locked Robot is not connected to the Orchestrator, i had manually deploy the package but placing it in ProgramData\UiPath\Packages. I managed to download the Package to UiPath Robot Tray but when i tried to run the process (it’s a simple process of throwing a message box), i encountered the below error message. The Package was published on a 2019.10.4 Studio.

Anyone able to advise?

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image522×540 113 KB

image
image785×502 156 KB

4 posts - 3 participants

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How to delete duplicate rows in Excel

July 20, 2020, 9:10 pm
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Hi Everyone. I need to delete duplicate rows in excel. But in that duplicate rows i need to keep one row.For example, in one column 3 more duplicate values is there. Capture

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For Each Index Is Not Updating When Used With Continue Activity

July 21, 2020, 2:56 am
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When I use For Each activity with Continue activity and keep track of for loop index using the index property, it doesn’t update. The index’s value still with the previous iteration value.

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Error: System.NullReferenceException: Object reference not set to an instance of an object

December 11, 2019, 3:01 am
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Orchestrator upload issue
Orchestrator upload issue845×607 39.2 KB

Getting the Error: System.NullReferenceException: Object reference not set to an instance of an object. while publishing packages to orchestrator.

Uipath version :Studio 2019.11.0-beta.2 - 11/18/2019,Community Edition

The project is working fine from studio.

Please help!

21 posts - 7 participants

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Uipath orchestrator error - invalid machine key

November 25, 2019, 2:02 am
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Invalid machine key
RemoteException wrapping UiPath.Service.Orchestrator.Clients.OrchestratorHttpException: Invalid machine key

35 posts - 11 participants

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HTTP request works in postman fails in UiPath

July 22, 2020, 12:23 am
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Attended Robotで「ローカルライセンスが必要です」というエラー

July 22, 2020, 2:18 am
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症状
Robotのみを別のwindowsPCにインストールし実行していたのですが、ある事情で一度ディアクティベーションし、再度インストールして実行すると「ローカルライセンスが必要です」というエラーが出現し、実行自体できなくなってしまいました。

試したこと
windowsアカウントは当初と同じで、再インストールの際管理者権限でインストーラーを実行しています。

何か原因がわかる方はいらっしゃいますでしょうか。

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How to take Item from List of String and change it to DataTime?

July 22, 2020, 2:35 am
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Hi everyone.

I try to convert items from a List of Strings(listDelivery) to a DateTime variable to compare each of them with the actual date and return just future dates, also this date should have the right format (“dd.mm.yyyy”).
But when I try to convert by using ForEach and write in Assign:

Datetime.parseexact(listDelivery(item),“dd.MM.yyyy”,system.globalization.cultureinfo.invariantculture).ToString(“dd/MM/yyyy”)*
or
Convert.toDatetime(Datetime.parseexact(listDelivery(item),“dd.MM.yyyy”,system.globalization.cultureinfo.invariantculture).ToString(“dd/MM/yyyy”))

Compiler write something like that
“Option Strict On” does not allow implicit conversions from “string” to “integer”

Do you have ideas on how to solve this problem?

p.s. List of Strings I make from excel table which has other values and if date haven’t the right format, the row which containing this bad date should be deleted

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Read range of particular row in excel 1 pas data form excel 2 ,Data not past perfect data

July 22, 2020, 3:00 am
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