Access denied - can't see deployed form for submission

People who should fill out the form do not see it. Ask them to log in but All settings are ok…
Error is bellow:
"Access denied
Either you don’t have access to this page or this page simply doesn’t exist.
Please contact the support team if you think it’s an error.

Additional details:403: Authentication credentials were not provided."

The setings are:

Welcome to the community, @CPW_DAI! Could you also share a screenshot of your issue so that the community should also be able to understand it pictorially?