Provisional headers are shown when calling another app for services

ionic-v1
1

So I’m running ionic on port 81 and i’ve node app to call services upon running on 3000

I did some proxy in nginex to run node on 80 as per the following post…

http://www.nikola-breznjak.com/blog/javascript/nodejs/using-nginx-as-a-reverse-proxy-in-front-of-your-node-js-application/

But I still get this error when calling for serivces… "Provisional headers are shown "

Any help will be greatly appreciated.