[ubuntu] Ubuntu 16.04 - ownCloud and LetsEncrypt issue

Code:

Not Found The requested URL /owncloud was not found on this server. 

 Apache/2.4.18 (Ubuntu) Server at localhost Port 80

Code:

Secure Connection Failed
An error occurred during a connection to localhost. SSL received a record that exceeded the maximum permissible length. Error code: SSL_ERROR_RX_RECORD_TOO_LONG The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the website owners to inform them of this problem.

Code:

Failed authorization procedure. joelarce.com (tls-sni-01): urn:acme:error:connection :: The server could not connect to the client to verify the domain :: Failed to connect to MYIP:443 for TLS-SNI-01 challenge
IMPORTANT NOTES: - The following errors were reported by the server: Domain: MYDOMAIN.com Type: connection Detail: Failed to connect to MYIP:443 for TLS-SNI-01 challenge To fix these errors, please make sure that your domain name was entered correctly and the DNS A record(s) for that domain contain(s) the right IP address. Additionally, please check that your computer has a publicly routable IP address and that no firewalls are preventing the server from communicating with the client. If you're using the webroot plugin, you should also verify that you are serving files from the webroot path you provided.