Fatal error: Uncaught Facebook\Exceptions\FacebookSDKException: Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID" in /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php:139 Stack trace: #0 /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(160): Facebook\Facebook->__construct(Array) #1 /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-content/plugins/nextend-facebook-connect/nextend-facebook-connect.php(123): new_fb_login_action() #2 /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-includes/class-wp-hook.php(288): new_fb_login('') #3 /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #4 /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #5 /data02/virt60105/domee in /data02/virt60105/domeenid/www.lillebutiik.ee/wordpress/wp-content/plugins/nextend-facebook-connect/Facebook/Facebook.php on line 139