Unable to get output of Lesson 3, Practice 1-Club Member exercise

Hello Everyone,

I have created Sequence same as mentioned in the Practical Exercise walkthrough but on running, i am unable to get any output nor any error.
https://academy.uipath.com/learn/course/511/play/5183/lesson-3-practice-1-walkthrough

Lesson3_Practice1.xaml (8.5 KB)

Got this error later

"
19.12.0-beta.61+Branch.release-v2019.12.0.Sha.c5ef64a84dd6be2c140a75da8fd036824faab942

Message: The following errors were encountered while processing the workflow tree:
‘Main.80d3a4e7cc16’: The private implementation of activity ‘1: Main.80d3a4e7cc16’ has the following validation error: Compiler error(s) encountered processing expression “row(“Last”).ToString”.
‘row’ is not declared. It may be inaccessible due to its protection level.

‘Main.80d3a4e7cc16’: The private implementation of activity ‘1: Main.80d3a4e7cc16’ has the following validation error: Compiler error(s) encountered processing expression “row(“First”).ToString”.
‘row’ is not declared. It may be inaccessible due to its protection level.

Exception Type: System.Activities.InvalidWorkflowException

RemoteException wrapping System.Activities.InvalidWorkflowException: The following errors were encountered while processing the workflow tree:
‘Main.80d3a4e7cc16’: The private implementation of activity ‘1: Main.80d3a4e7cc16’ has the following validation error: Compiler error(s) encountered processing expression “row(“Last”).ToString”.
‘row’ is not declared. It may be inaccessible due to its protection level.

‘Main.80d3a4e7cc16’: The private implementation of activity ‘1: Main.80d3a4e7cc16’ has the following validation error: Compiler error(s) encountered processing expression “row(“First”).ToString”.
‘row’ is not declared. It may be inaccessible due to its protection level.

at System.Activities.Validation.ActivityValidationServices.ThrowIfViolationsExist(IList1 validationErrors, ExceptionReason reason) at System.Activities.WorkflowInspectionServices.<GetActivities>d__3.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__172.MoveNext()
at System.Linq.Enumerable.d__591.MoveNext() at System.Linq.Enumerable.<SelectManyIterator>d__172.MoveNext()
at System.Linq.Enumerable.WhereSelectEnumerableIterator2.MoveNext() at System.Linq.Enumerable.<DistinctIterator>d__641.MoveNext()
at System.Linq.Buffer1..ctor(IEnumerable1 source)
at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 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()
"

Please upload your project folder in a ZIP file so we can better address the situation.