Ошибка с платежами telegram-bot

bot.send_invoice(
            chat_id=message.chat.id,
            title='Подписка',
            description='Подписка',
            invoice_payload='Подписка',
            provider_token=youkassa_token,
            currency='RUB',
            start_parameter='Подписка',
            prices=[types.LabeledPrice(label='Working Time Machine', amount=5750), types.LabeledPrice('Gift wrapping', 5068)]
            )

Выдает ошибку: File "D:\work\python\TaxiBotTelegram-master\venv\lib\site-packages\telebot\apihelper.py", line 179, in _check_result raise ApiTelegramException(method_name, result, result_json) telebot.apihelper.ApiTelegramException: A request to the Telegram API was unsuccessful. Error code: 400. Description: Bad Request: START_PARAM_INVALID