Error in Calculate Client Security Hash in level 3 advenced

Hello everybody,
I’m having an error in Calculate Client Security Hash excercise,
in Get Transaction Data section, in the assign Out_transactionItem = DataTable_WorkItem(in_TransactionNumber).

Out_transactionItem is type DataRow and DataTable_WorkItem is type DaaRow
and in_TransactionNumber is type Int32.

Any help should be greatly appreciated.


May I know what error are you getting here ans so that we can help you better in this.

can you run your program in and provide the following

  • your problem description
  • where your problem occurred/activity where your problem occurred
  • the variable panel and output panel of where the fault occurred

Hi @MythicGold,
My problem is that I run my assignment no. 1 Calculate Client Security Hash in Level 3 Advanced, this run very well , but when finish in the output panel show me this error: Assign out_TransactionItem: Index was outside the bounds of the array
how can I solve that error ?
I would appreciated your help to me.

is your assign transactionID under your get transaction data workflow not
out_TransactionID = dt_WorkItems(in_TransactionNumber - 1)?

i removed * and after running the program im getting below error message

RemoteException wrapping UiPath.Core.SelectorNotFoundException: Cannot find the UI element corresponding to this selector: —> RemoteException wrapping System.Runtime.InteropServices.COMException: Cannot find the UI element corresponding to this selector:
at UiPath.UiNodeClass.FindFirst(UiFindScope scope,
String nodeID)
at UiPath.Core.UiElement.FindFirst(FindScope scope,
Selector selector,
IPlaceholderResolver placeholderResolver)
— End of inner exception stack trace —
at UiPath.Core.Activities.TaskAsyncCodeActivity`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)