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 /www/wwwroot/1i0ceotra26dje8/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php:139 Stack trace: #0 /www/wwwroot/1i0ceotra26dje8/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(161): Facebook\Facebook->__construct(Array) #1 /www/wwwroot/1i0ceotra26dje8/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(123): new_fb_login_action() #2 [internal function]: new_fb_login('') #3 /www/wwwroot/1i0ceotra26dje8/wp-includes/class-wp-hook.php(286): call_user_func_array('new_fb_login', Array) #4 /www/wwwroot/1i0ceotra26dje8/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #5 /www/wwwroot/1i0ceotra26dje8/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #6 /www/wwwroot/1i0ceotra26dje8/wp-login.php(472): do_action('login_init') #7 {main} thrown in /www/wwwroot/1i0ceotra26dje8/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php on line 139