Authentication fails with the credentials provided. The error code is 700. (POR-2010669)

Summary: While configuring the Punchout, filled all the details shared by the supplier, upon trying to click on "test connection" we are encountering this error. As this error points us to incorrect credentials provided, we did reached out to supplier confirming the details and are correct. Hence requesting for help over the same. Wanting to know might be the other issue causing this error?

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