Firstly, click “exclude domain” button AutoSSL under “SSL/TLS Status’ in cPanel.

cPanel => Advance => Terminal
1. curl https://get.acme.sh | sh
//After run the above common line, you will see acme.sh folder under root directory. Please check the folder if exist.

2. ls /home/oceans/.acme.sh/           //Replace “home/oceans” with your real name
3. ls -l /home/oceans/.acme.sh/
4. cd /home/oceans/.acme.sh/
5. ./acme.sh –issue -d domain.com -d www.domain.com -w /home/oceans/public_html/ –server letsencrypt   
//Replace “domain.com with your real domain
//note: there is two dash in front of issue and server on No 5

DONE
=============
To verify that your Let’s Encrypt SSL certificates have been installed correctly and are working as expected, you can perform the following steps:

Check Certificate Details: You can verify the installation of the SSL certificate by checking the certificate details in your web browser. Here’s how you can do it:

Open your website in a web browser (using HTTPS).
Click on the padlock icon in the address bar to view the SSL certificate details.
Check that the certificate information matches your domain and that it is issued by Let’s Encrypt.
SSL Testing Tools: You can use online SSL testing tools to verify the installation of your SSL certificate and test the SSL configuration of your website. These tools can provide detailed information about your SSL certificate, encryption protocols, and potential issues. Some popular SSL testing tools include:

SSL Labs (https://www.ssllabs.com/ssltest/)
SSL Checker (https://www.sslshopper.com/ssl-checker.html)
Qualys SSL Labs (https://www.ssllabs.com/ssltest/)
Simply enter your website’s URL and these tools will analyze your SSL configuration and provide a report.