Renewal Let's Encrypt allows no more than 20 certificates to be issued

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My domain is: labexato.com.br

I ran this command:
try to renew the certificate, but gave error

It produced this output: The installation of the Let’s Encrypt SSL certificate failed: Remove certificate failure: One of the certificates you intend to exclude is used to protect Plesk

My web server is (include version):

The operating system my web server runs on is (include version):
Plesk Onyx
Version 17.8.2

My hosting provider, if applicable, is: windows server 2012

I can login to a root shell on my machine (yes or no, or I don’t know):

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):

I tried a few times, until I gave this error, how to solve it by what I understood, plesk requested the certificates but not active for me

Bom dia @sidnei_alves1,

It looks like you’re using KingHost. KingHost has claimed to have built-in support for Let’s Encrypt certificates in its hosting platform.

I would suggest that you should contact KingHost’s support because I think that they’ll be in a much better position to help you. (Nobody on this forum is responsible for the development of Plesk Onyx.)