AH02240: Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile]

I’m trying to install the certificates are purchased from Thirdparty. Received the following error in the log and nothing else. I’m unable to find a similar solution and the ssl site is not accessible.

AH02240: Server should be SSL-aware but has no certificate configured [Hint: SSLCertificateFile]

Server Environment

Server version: Apache/2.4.6 (CentOS) Server built: Apr 24 2019 13:45:48

The following are my configuration file

/etc/httpd/conf.d/ssl.conf

Listen 443 https  SSLPassPhraseDialog exec:/usr/libexec/httpd-ssl-pass-dialog  SSLSessionCache         shmcb:/run/httpd/sslcache(512000) SSLSessionCacheTimeout  300  SSLRandomSeed startup file:/dev/urandom  256 SSLRandomSeed connect builtin #SSLRandomSeed startup file:/dev/random  512 #SSLRandomSeed connect file:/dev/random  512 #SSLRandomSeed connect file:/dev/urandom 512  SSLCryptoDevice builtin #SSLCryptoDevice ubsec  <VirtualHost _default_:443>  ErrorLog logs/ssl_error_log TransferLog logs/ssl_access_log LogLevel warn  SSLEngine on  SSLProtocol all -SSLv2 -SSLv3  SSLCipherSuite HIGH:!RC4:!MD5:!aNULL:!eNULL:!NULL:!DH:!EDH:!EXP:+MEDIUM  SSLHonorCipherOrder on   SSLCertificateFile /etc/httpd/cert/2246172_abc.com_public.crt  SSLCertificateKeyFile /etc/httpd/cert/2246172_abc.com.key  SSLCertificateChainFile /etc/httpd/cert/2246172_abc.com_chain.crt  <Files ~ "\.(cgi|shtml|phtml|php3?)$  ">     SSLOptions +StdEnvVars </Files> <Directory "/var/www/cgi-bin">     SSLOptions +StdEnvVars </Directory>  BrowserMatch "MSIE [2-5]" \          nokeepalive ssl-unclean-shutdown \          downgrade-1.0 force-response-1.0  CustomLog logs/ssl_request_log \           "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"  </VirtualHost>  

/etc/httpd/sites-available/abc.com.conf

<VirtualHost *:80>     ServerName abc.com     ServerAlias www.abc.com     DocumentRoot /var/www/html/yangmao/public     ErrorLog /var/www/html/log/error.log     CustomLog /var/www/html/log/requests.log combined <Directory "/var/www/html/yangmao/public">     Allowoverride All </Directory> </VirtualHost>  <VirtualHost *:443> #    SSLEngine on #    SSLProtocol all -SSLv2 -SSLv3 #    SSLCipherSuite HIGH:!RC4:!MD5:!aNULL:!eNULL:!NULL:!DH:!EDH:!EXP:+MEDIUM #    SSLHonorCipherOrder on #    SSLCertificateFile /etc/httpd/cert/2246172_abc.com_public.crt #    SSLCertificateKeyFile /etc/httpd/cert/2246172_abc.com.key #    SSLCertificateChainFile /etc/httpd/cert/2246172_abc.com_chain.crt      ServerName abc.com     ServerAlias www.abc.com     DocumentRoot /var/www/html/yangmao/public     ErrorLog /var/www/html/log/error.log     CustomLog /var/www/html/log/requests.log combined <Directory "/var/www/html/yangmao/public">     Allowoverride All </Directory> </VirtualHost>