You can only use numbers, latin letters and hyphens

Whenever I try to install wordpress and I use ANY password, I get this message:
You can only use numbers, latin letters and hyphens.

And YES. I am ONLY using latin letters and numbers.

Use that nice randomize button to generate a secure password.

I’ve asked developers to change that text to say “Passwords must include UPPERCASE, lowercase, numerical and a special character #£$ etc.”

I tried that and absolutely nothing happens. No random password is even generated. Not a problem though, I was able to do it by going to the dashboard and then installing wordpress. But now, a bigger issue is here. When I use my parked domain, (it has been linked to my website), it doesn’t go to my website.