Android Question [B4A] jRDC2 - Ambiguous error in debug mode

'Set date_update as TIMESTAMP format
Dim date_update As String = fCom.str_date(version_local, True, 1)
'Starter.arg: It was define as public variant in module server Starter: Public arg As Object
Starter.arg = Array(date_update, Starter.CUIP)
'exe_sql_nonQuery: It was define as sub in the current Activity
exe_sql_nonQuery("last_update_cuip_b003")
wait for exe_sql_nonQuery_complete
LogColor("last_update_cuip_b003: " & Starter.nonQuery_success, Colors.Green)
If Starter.nonQuery_success = False Then
    Dim mensaje_error As String = "last_update_cuip_b003: db local"  & " - [Error]: " & LastException
End If

Sub exe_sql_nonQuery (Name As String)
    Try
        LogColor("------Wait for exe_sql_nonQuery_complete...", Colors.Cyan)
        Dim cmd As DBCommand = fCom.CreateCommand(Name, Starter.arg)
        Dim j As HttpJob = fCom.CreateRequest.ExecuteBatch(Array(cmd), Null)
        Wait For(j) JobDone(j As HttpJob)
        If j.Success Then
            LogColor("Inserted successfully!",Colors.Cyan)
            Starter.nonQuery_success = True
        Else
            Starter.nonQuery_success = False
        End If
        j.Release
        Starter.nonQuery_many = Starter.nonQuery_many + 1
        Log("nonQuery_many: " & Starter.nonQuery_many)
    Catch
        Starter.nonQuery_success = False
        Log(LastException)
    End Try
    LogColor("------ exe_sql_nonQuery_complete: DONE", Colors.Cyan)
    CallSubDelayed(Me, "exe_sql_nonQuery_complete")
End Sub

Sub CreateCommand(Name As String, Parameters() As Object) As DBCommand
    Dim cmd As DBCommand
    cmd.Initialize
    cmd.Name = Name
    If Parameters <> Null Then
        cmd.Parameters = Parameters
    End If
    Return cmd
End Sub