Fatal error: Uncaught exception 'Facebook\Exceptions\FacebookSDKException' with message 'Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID"' in /home/evolvi13/public_html/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php:139 Stack trace: #0 /home/evolvi13/public_html/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(161): Facebook\Facebook->__construct(Array) #1 /home/evolvi13/public_html/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(110): new_fb_login_action() #2 [internal function]: new_fb_login_compat(Object(WP)) #3 /home/evolvi13/public_html/wp-includes/plugin.php(601): call_user_func_array('new_fb_login_co...', Array) #4 /home/evolvi13/public_html/wp-includes/class-wp.php(385): do_action_ref_array('parse_request', Array) #5 /home/evolvi13/public_html/wp-includes/class-wp.php(724): WP->parse_request('') #6 /home/evolvi13/public_html/wp-includes/functions.php(952): WP->main('') #7 /home/evolvi1 in /home/evolvi13/public_html/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php on line 139