I work for Transaction Data Systems, a pharmacy management software company. One of vendors, PastRx, uses Auth0 to authenticate users accessing their application called NarcFacts via this site:
What would cause the authentication to fail? What do we need to do to resolve that failure? Any steps you could suggest would be valuable, as the issue is affecting an ever-growing number of our clients.
I understand you have some issues with logging in.
After looking into this, I found that the issue has to do with the configuration of the NarcFacts Custom Social Connection.
Seeing that the error is thrown from the Custom Social Connection, I recommend checking that the configuration values are correct, like the Client ID and Client Secret.