I can't use Billing Agreements API when I use live mode.

[Hisapon]

I want to get details for a billing agreement, by ID.

https://developer.paypal.com/docs/api/payments.billing-agreements/v1/#billing-agreements_get 

I run the following code, but I get an error.

It worked fine in sandbox mode.

The specified AgreementID definitely exists

from paypalrestsdk import BillingAgreement, ResourceNotFound
import paypalrestsdk
import logging

paypalrestsdk.configure({
    "mode": "live",
    "client_id": "***",
    "client_secret": "***"
})

logging.basicConfig(level=logging.INFO)

billing_agreement = BillingAgreement.find("I-5D3XDN2D5FH1")
print("Got Billing Agreement Details for Billing Agreement[%s]" % (
    billing_agreement.state))

 This is error.

INFO:paypalrestsdk.api:Request[POST]: https://api.paypal.com/v1/oauth2/token
INFO:paypalrestsdk.api:Not logging full request/response headers and body in live mode for compliance
INFO:paypalrestsdk.api:Response[200]: OK, Duration: 1.132728s.
INFO:paypalrestsdk.api:Request[GET]: https://api.paypal.com/v1/payments/billing-agreements/I-5D3XDN2D5FH1
INFO:paypalrestsdk.api:Not logging full request/response headers and body in live mode for compliance
INFO:paypalrestsdk.api:Response[404]: Not Found, Duration: 0.788210s.
Traceback (most recent call last):
  File "test_paypal_api.py", line 15, in <module>
    billing_agreement = BillingAgreement.find("I-5D3XDN2D5FH1")
  File "/Users/***/Library/Python/3.8/lib/python/site-packages/paypalrestsdk/resource.py", line 110, in find
    return cls(api.get(url, refresh_token=refresh_token), api=api)
  File "/Users/***/Library/Python/3.8/lib/python/site-packages/paypalrestsdk/api.py", line 268, in get
    return self.request(util.join_url(self.endpoint, action), 'GET', headers=headers or {}, refresh_token=refresh_token)
  File "/Users/***/Library/Python/3.8/lib/python/site-packages/paypalrestsdk/api.py", line 171, in request
    return self.http_call(url, method, data=json.dumps(body), headers=http_headers)
  File "/Users/***/Library/Python/3.8/lib/python/site-packages/paypalrestsdk/api.py", line 214, in http_call
    return self.handle_response(response, response.content.decode('utf-8'))
  File "/Users/***/Library/Python/3.8/lib/python/site-packages/paypalrestsdk/api.py", line 231, in handle_response
    raise exceptions.ResourceNotFound(response, content)
paypalrestsdk.exceptions.ResourceNotFound: Failed. Response status: 404. Response message: Not Found. Error message: {"name":"RESOURCE_NOT_FOUND","debug_id":"317d0e924039","message":"The requested resource was not found","information_link":"https://developer.paypal.com/docs/api/payments.billing-agreements#errors","details":[{"issue":"Requested resource ID was not found."}]}