LAC and Gateway integration issue

Document ID : KB000091904
Last Modified Date : 24/04/2018
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The LAC has been integrated with the gateway . LAC is running on tomcat. When API is published from LAC UI using the documentation under "Publish using API Creator"

we see an error.

[Error] No subject alternative names present
LAC 4.1
The cause identified was using an ip address instead of gateway hostname when publishing the API. 
use url in format of
Additional Information:
If the issue is not resolved using this article then other configuration w.r.t mutual gateway authentication needs to be checked.