Docusign returns
'{"error":"invalid_grant","error_description":"issuer_not_found"}'
in production account works perfectly fine in demo account.
I feel this is due to invalid env variables supplied but not sure which one is it ? and what is issuer_not_found here ?
Followed steps from here => https://developers.docusign.com/esign-rest-api/guides/post-go-live?_ga=2.10305266.631111297.1594877013-2137473900.1593156394