The same problem here
[root@server ~]# certbot --apache
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Error in checking parameter list:
The apache plugin is not working; there may be problems with your existing configuration.
The error was: MisconfigurationError(‘Apache is unable to check whether or not the module is loaded because Apache is misconfigured.’,)
[root@server ~]#