Android Question Attempt to invoke virtual method 'void anywheresoftware.b4a.objects.collections.List.Initialize()' on a null object refere

Sub JobDone(job As HttpJob)
    Dim parser As JSONParser
    Dim res As String
    
    If job.Success Then
        res = job.GetString
        parser.Initialize(res)
        'Log(job.GetString)
        Select job.JobName
            Case "RequestProductsInformation"
                Dim list As List
                lst.Initialize
                Try
                    list = parser.NextArray
                Catch
                    ToastMessageShow("Error when checking the license!", True)
                    Return
                End Try
                If list.Size > 0 Then
                    Dim mp As Map = list.Get(0)
                    CallSub2(CallBack, mEventName & "_ShowInAppBilling", mp)
                Else
                    ToastMessageShow("Kein App-Produkt in der Datenbank vorhanden!", True)
                End If
        End Select
    End If
    job.Release
End Sub