OT: unable to close my linked in account

[JD]

After I login, I go to my account settings and go to
https://www.linkedin.com/psettings/
 From there, I select Closing your LinkedIn account
Takes me to
https://www.linkedin.com/psettings/account-management/close-submit
where I am prompted to enter my password (with which I logged in).
I enter my password.
I check
Unsubscribe me from LinkedIn email communications, including invitations.

but the "Close Account", which is to the right of "Back to Settings", is 
faded
and when I place the cursor over it, I get a small circle with a 
backslash in it,
ala the no parking signs you see all over.

So, how else can I close that account?

I found no addresses for contacting Linkedin administrators.

Thanx!!!