ISSUE SUMMARY:
I am using JomSocial 4.2.3 with Joomla 3.6 .
When i try to login or register through Facebook, it gives 'Undefined Error'.


STEPS TO REPLICATE:
1 open the site www.artsuppliesadvice.com/
2 click on 'Facebook with login'
3 Enter the login details and click on continue
4
5
RESULT : Undefined Error
EXPECTED RESULT : User should be login or registered
BROWSER

Hi,

I not able to replicate this issue at 4.2.4
could please upgrade to 4.2.4 first?
let see if the issue still exist at that version or not.

Regards