KeyError: 'total_portfolio' about degiro-connector HOT 6 CLOSED

import json
import logging
import degiro_connector.quotecast.helpers.pb_handler as pb_handler
import pandas as pd

from IPython.display import display
from degiro_connector.trading.api import API as TradingAPI
from degiro_connector.trading.pb.trading_pb2 import (Credentials, Update)

# SETUP LOGGING LEVEL
logging.basicConfig(level=logging.INFO)

# SETUP CONFIG DICT
with open('config/config.json') as config_file:
    config_dict = json.load(config_file)

# SETUP CREDENTIALS
username = config_dict['username']
password = config_dict['password']
totp_secret_key = config_dict['totp_secret_key']

credentials = Credentials(
    int_account=None,
    username=username,
    password=password,
    totp_secret_key=totp_secret_key
)

# SETUP TRADING API
trading_api = TradingAPI(credentials=credentials)

# CONNECT
trading_api.connect()

# ACCESS SESSION_ID
session_id = trading_api.connection_storage.session_id

# print('You are now connected, with the session id :', session_id)

# SETUP REQUEST
request_list = Update.RequestList()
request_list.values.extend([
    Update.Request(option=Update.Option.TOTALPORTFOLIO, last_updated=0),
])

update = trading_api.get_update(request_list=request_list)
update_dict = pb_handler.message_to_dict(message=update)
total_portfolio_df = pd.DataFrame(update_dict['total_portfolio']['values'])```