Cannot access server from WAN

Hello. I have recently set up owncloud on a pi B+ and had it work flawlessly locally. However, I cannot seem to get it off my home network.

I have portforwarded 80 and the pi’s IP, and added my home public IP to the trusted IPs, but still cannot connect via a laptop or the app. I just get, “unknown error”

I’m trying to log on with: http://[publicIP]/owncloud
I was wondering if there were any steps I missed? Thank you very much.

Check this :

Hope it helps