ISSUE SUMMARY:
Undefined error. when users trying to create a new account using Facebook connect

STEPS TO REPLICATE:
1 press "Login with Facebook"
2 Select "New user"
3 write "username"
4 click "go"
RESULT Message "Undefined Error"
EXPECTED RESULT : Add User
BROWSER: Safari/chorme/firefox

Hi,

This is caused by 3rd party AcyMailing : (auto)Subscribe during Joomla registration, I disabled it and works fine now

thank you