HTTPS url is not working for SAP Java system

Hi Experts,

please let me know what configuration is required to enable or activate port HTTPS port in SAP Java EP System

As of now HTTPS port is empty and I am not able to edit it

my Instance number is 11 so https port number shd be 51101 but as below its emptyImage may be NSFW.
Clik here to view.

thanks,

avinash