Android Question Exception with OkHttpUtils2

Sub Activity_Create(FirstTime As Boolean)
    Private cAddress As String ="10117 Berlin, Pariser Platz 5"

    Log ("Address: " & cAddress)   
    Wait for (Geocoding(cAddress)) Complete(Result As Int)
    Log ("Return Code: " & Result)

End Sub
Sub Geocoding(aquery As String) As ResumableSub
    '#####################################################################
    '
    '  Geocoding a specific postal address (PLZ Stadt, Straße Hausnummer)
    '
    '  aquery        String with postal address
    '
    '#####################################################################
    Dim su As StringUtils
    Dim q As String=su.EncodeUrl(aquery,"UTF8")
    Dim s As String=$"https://nominatim.openstreetmap.org/?addressdetails=1&q=${q}&format=json"$
    Dim j As HttpJob
    Dim ier As Int

    Log ("Geocoding Query = '" & s & "'")
    Try
        j.Initialize("Geocoding", Me)
        j.Download(s)
        Wait For (j) JobDone(j As HttpJob)
        If j.Success Then
            Log ("Geocoding successfully done")
            Log ("Result = '" & j.GetString & "'")
            '
            ' ... parse for the GPS coordinates
            '
            ier = 0
        Else
            Log ("Geocoding failed (#1)")
            ier = 1
        End If
    Catch
        Log ("Geocoding failed (#2): " & LastException.Message)
        ier = 2
    End Try

    If j.IsInitialized Then    j.Release

    Return ier
End Sub

** Activity (main) Create (first time) **
Address: 10117 Berlin, Pariser Platz 5
Geocoding Query = 'https://nominatim.openstreetmap.org/?addressdetails=1&q=10117+Berlin%2C+Pariser+Platz+5&format=json'
** Activity (main) Resume **
*** Receiver (httputils2service) Receive (first time) ***
ResponseError. Reason: , Response: Access denied. See https://operations.osmfoundation.org/policies/nominatim/
Geocoding failed (#1)
Return Code: 1
** Activity (main) Pause, UserClosed = false **