What error is this, i got a problem to debug this error

Traceback (most recent call last):
File “apps/frappe/frappe/integrations/utils.py”, line 26, in make_request
frappe.flags.integration_request.raise_for_status()
File “env/lib/python3.7/site-packages/requests/models.py”, line 943, in raise_for_status
raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 400 Client Error: Bad Request for url: https://

i dont know to solve because hardest to find way to debug where problem it is

what were you doing that lead to this error?