Alteryx SharePoint List Input Tool Failing to Authorize

[ninosshiba]

Hi, I am attempting to connect to a SharePoint List on one of my company's SharePoint sites. Upon entering the URL and user (Microsoft) credentials, a pop-up tells me that the response code is "Unauthorized" and fails to connect. Here is a snippet of the pop-up:

We require Modern Authentication, so I am not sure if having an account with SSO disabled would still be viable. This is a snippet of the input tool:

[Onkar]

I am also facing same issue. Trying to resolve but couldn't. Is anyone there to help. We are wasting time to resolve this issue due to no one is guiding in this issue.