When I want to access to Web Setup Wizard from Admin Panel (system / tools / Web Setup Wizard), I obtain this message:
Magento Setup 401 Unauthorized Access
I have nevertheless all the rights as user administrator!
Base URLs (Secure) -> Use Secure URLs on Storefront -> Yes
-> Use Secure URLs in Admin -> Yes
-> Enable HTTP Strict Transport Security (HSTS) -> Yes
-> Upgrade Insecure Requests -> Yes
php bin/magento cache:clean