NGINX and https

I'm trying to run my blog using ghost under nginx with ssl.

I've successfully made it work with http using the following steps:

1. created a custom application called "nginx" on port 14298
2. created a website called "nginx" with security set to http

3. nginx.conf contains:

   server {
       listen 14298;
       server_name nginx.myusername.webfactional.com;
   
       location / {
           root    html;
           index  index.html index.htm;
       }
   
       error_page  404              /404.html;
       error_page   500 502 503 504  /50x.html;
       location = /50x.html {
       root   html;
       }
   }
   

   Everything works, nginx.myusername.webfactional.com displays the nginx html, and my blog included in vhosts also works. But while trying to enable ssl by doing this:

4. Updated my "website" called "nginx" with security set to https

5. Generated my keys:

   openssl req -x509 -nodes -newkey rsa:2048 -keyout nginx.key -out nginx.crt
   

6. Changed my nginx.conf:

   server {
       listen 14298 ssl;
       server_name nginx.myusername.webfactional.com;
   
      ssl on;
      ssl_certificate /home/myusername/usr/local/etc/nginx/nginx.crt; # Verified path
      ssl_certificate_key /home/myusername/usr/local/etc/nginx/nginx.key; # Verified path
   
       location / {
           root    html;
           index  index.html index.htm;
       }
   
       error_page  404              /404.html;
       error_page   500 502 503 504  /50x.html;
       location = /50x.html {
       root   html;
       }
   }
   

I'm getting a 502 - Bad Gateway while trying to access:

https://nginx.myusername.webfactional.com

And every time I try to access the url above my nginx logs the following error:

no "ssl_certificate" is defined in server listening on SSL port while SSL handshaking, client: 127.0.0.1, server: 0.0.0.0:14298

I've been trying to solve this for hours to no avail. help please.