Anyone can help me to solve this problem? I am using yith woocommerce social login plugin on my wordpress. I tried to implement login via facebook and g+. No problem on g+ login, but when i tried to login via facebook, there is no response and my page just redirect into my login page.
plugins/yith-woocommerce-social-login/logs/log.txt show report below
Hybrid_Auth initialize: A stored Error found, Throw an new Exception
and delete it from the store: Error#5, ‘Authentication failed!
Facebook returned an invalid user id.’ —
wp_content/debug.log show report below
PHP Fatal error: Call to a member function authenticate() on null in
on line 156