Error while trying to invoke Login workflow from initapplication file

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1

Hello Everyone,

Currently I am on Level 3 Advanced training Assignment 1 exercise.

I am getting one error when trying to execute ACME login page from initapplication workflow. Pls suggest,

19.4.2+Branch.master.Sha.e17a3bedca2a7da0d0b716b5f8f765d1d5ef1ddc

Source: Invoke Workflow File

Message: Object reference not set to an instance of an object.

Exception Type: System.NullReferenceException

An ExceptionDetail, likely created by IncludeExceptionDetailInFaults=true, whose value is:
System.NullReferenceException: Object reference not set to an instance of an object.
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, IDictionary2 argumentValueOverrides, Location resultLocation, Int32 startIndex)
at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)

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Pls suggest.

2

This means that you are referencing a variable that you have not yet given a value. Make sure that all variables you are using are being given a value of some kind before you address them.

3

I am invoking ACME login workflow from initApplication workflow where I am getting the error. Pls suggest

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4

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5

Hi,

More screeshots.

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6

some more screenshot.

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