Problème Renouvellement ssl Let's Encrypt / Plesk

Bonjour,

Il s'agit d'une boutique Magento 2.

Ne disposant pas d'agence attitrée, je poste ce problème de renouvellement certificat SSL.

Voici le message d'erreur de Plesk :
Could not secure domains of Administrator (login admin) with Let`s Encrypt certificates. Please log in to Plesk and secure the domains listed below manually.
Securing of the following domains has failed:

<none>

The following domains have been secured without some of their Subject Alternative Names:

<none>

Could not renew Let`s Encrypt certificates for Administrator (login admin). Please log in to Plesk and renew the certificates listed below manually.
Renewal of the following Let`s Encrypt certificates has failed:..........

Merci