TypeError: 'NoneType' object is not subscriptable

[sugizo]

code

from cryptocmd import CmcScraper
scraper = CmcScraper(crypto, start_date, end_date)
scraper.get_data()

result

Error fetching coin id data for coin code BTC
Error message: Expecting value: line 1 column 1 (char 0)
Error fetching price data for BTC for interval '21-12-2021' and '29-12-2021'
Error message (download_data) : Expecting value: line 1 column 1 (char 0)
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
[<ipython-input-8-a93c11da712a>](https://localhost:8080/#) in <cell line: 0>()
----> 1 scraper.get_data()

1 frames
[/usr/local/lib/python3.11/dist-packages/cryptocmd/core.py](https://localhost:8080/#) in _download_data(self, **kwargs)
     94         )
     95 
---> 96         for _row in coin_data["data"]["quotes"]:
     97 
     98             _row_quote = list(_row["quote"].values())[0]

TypeError: 'NoneType' object is not subscriptable

best regards