Perhaps Misspelled or Defined by a Module Not Included in the Server Configuration
I found Apache error message like as perhaps misspelled or defined by a module not included in the server configuration.
I search many site and get more result. So I will be share this solution.
That means ssl engine problem.
Find your server error message from command.
$ tail -f /var/log/apache2/error.log
systext error on line 17 of /etc/apache2/apache.conf: Invalid command 'Action', perhaps misspelled or defined by a module not included in the server configuration Action 'configtest' failed. The Apache error log may have more information. ...fail
Solution : Run below two command on your server.
$ a2enmod ssl
$ service apache2 restart
If any error please comment below. I will be reply within 24 hour.