My Punchout is Connection Erroring - Assistance Please

Good Afternoon,

A Supplier is updating their Punchout connection, and we are testing the update in our TEST environment, however the Punchout is Connection Erroring. The Error code Received is 701 (POR-2010668), with the error details below.

The supplier provided punchout login credentials for us to Test with under the headers below.

1. Can I check the fields above would correspond to the Oracle fields in the image below. Would the To Domain and Purchase Order URL have fields on the Punchout setup page?
2. Our Supplier mentioned that there doesn't appear a To Identity field is the Supplier ID Field below? (Is that why our connection isn't working, is there missing data with our configuration so it appears we don't exist with the supplier?)