Your website is password protected. That’s why you’re getting a 401. The client, in this case, Google Search Console, lacks valid authentication credentials. So, it doesn’t have the password to see your website so it will not crawl it even though you request that manually. Remove the password protection if not crucial or contains private/sensitive info on your website and retry again. That should work.
You might have avoided a delay of a month for your website with a proper SEO Consultation. These minor tweaks and trends can be easily bypassed through SEO. Ping me. I’ll help you out