Apache : Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA

Hi,
I use the latest certbot with Apache

/certbot-auto

Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator apache, Installer apache

Which names would you like to activate HTTPS for?
-------------------------------------------------------------------------------

I do choose the domain name

Obtaining a new certificate
Performing the following challenges:
Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA.
Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA.

This error appears on 1 domain ONLY. Other domains are OK.
The 'www' subdomain of that domain is also OK

Please see Solution: Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA

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