White-screen issue

We have facing white screen error most domain recently. Kindly provide any document to fix this issue. the server name

tail -f /usr/local/apache/logs/error_log |grep example.com
[Sat Oct 03 11:01:56.136071 2020] [ssl:warn] [pid 6508:tid 140545629108096] AH01909: cpanel.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Oct 03 11:01:56.136590 2020] [ssl:warn] [pid 6508:tid 140545629108096] AH01909: mail.example.com:443:0 server certificate does NOT include an ID which matches the server name
[Sat Oct 03 11:01:56.137022 2020] [ssl:warn] [pid 6508:tid 140545629108096] AH01909: webmail.example.com:443:0 server certificate does NOT include an ID which matches the server name

Try to reinstall the SSL certificate and do not check those subdomains