SSL and Nginx - 404 error

Hi

 

I have successfully installed my SSL on my Nginx server with Ubuntu.

 

The issue is that my server address is example.com/admin and while browsing the same, it is giving me 404 error. I have created the CSR and Key using example.com and didn't use /admin. In my Nginx configuration file, I have mentioned the server_name as example.com.

 

Could anyone help me out in resolving this issue please as it is a bit urgent?

Thanks in advance.