i had 1 host 1 user and create 2 web site.
the first web site can use Let’s Encrypt .
but the second web site use the Let’s Encrypt is show “Error: Let’s Encrypt validation status 400. Details: Unable to update challenge :: authorization must be pending”.
i had try found the problem.
the second web site didn’t change the “.well -known/acme-challenge”.
how can slove the problem ?
Thanks your help.