AutoSSL installation failed!

Hello dear , i want run auto ssl in subdomain , but i get this error , can any body help me ?

AutoSSL Issue Failed![Sat Jan 27 01:50:42 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:42 +0330 2018] Can not init api.
[Sat Jan 27 01:50:42 +0330 2018] Single domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Getting domain auth token for each domain
[Sat Jan 27 01:50:42 +0330 2018] Getting webroot for domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Getting new-authz for domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:42 +0330 2018] Can not init api.
[Sat Jan 27 01:50:42 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:42 +0330 2018] Can not connect to https://acme-v01.api.letsencrypt.org/directory to get nonce.
[Sat Jan 27 01:50:42 +0330 2018] Can not get domain new authz.
[Sat Jan 27 01:50:42 +0330 2018] Please check log file for more details: /root/.acme.sh/acme.sh.log
AutoSSL Issue Failed![Sat Jan 27 01:50:42 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:42 +0330 2018] Can not init api.
[Sat Jan 27 01:50:42 +0330 2018] Single domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Getting domain auth token for each domain
[Sat Jan 27 01:50:42 +0330 2018] Getting webroot for domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Getting new-authz for domain='XX.XXXX.ir'
[Sat Jan 27 01:50:42 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:43 +0330 2018] Can not init api.
[Sat Jan 27 01:50:43 +0330 2018] Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: 77
[Sat Jan 27 01:50:43 +0330 2018] Can not connect to https://acme-v01.api.letsencrypt.org/directory to get nonce.
[Sat Jan 27 01:50:43 +0330 2018] Can not get domain new authz.
[Sat Jan 27 01:50:43 +0330 2018] Please check log file for more details: /root/.acme.sh/acme.sh.log

Thanks

Try yum update command on your server and then install an SSL Certificate.

Try yum update command on your server and then install an SSL Certificate.

thanks for reply , for other domain ssl installed , but cant install ssl in subdomain.
i checked log error , but not usefull

Sign failed: "detail":"Error creating new cert :: too many certificates already issued for exact set of domains: XX.asdasd.ir: see https://letsencrypt.org/docs/rate-limits/"