Dynamic DNS not working (Cloudflare) - Logs attached

[jhabers]

Just today noticed that my cloudflare dynamic DNS is no longer working. Can anyone test theirs? Here is my log

Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: Dynamic DNS: updatedns() starting
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: Dynamic DNS cloudflare (plex.mydomain.com): 107.13.41.7 extracted from local system.
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: Dynamic DNS (plex.mydomain.com): running get_failover_interface for wan. found igb0
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: Dynamic DNS cloudflare (plex.mydomain.com): _update() starting.
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: Dynamic DNS cloudflare (plex.mydomain.com): _checkStatus() starting.
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: phpDynDNS (plex): PAYLOAD: {"success":false,"errors":[{"code":6003,"message":"Invalid request headers","error_chain":[{"code":6103,"message":"Invalid format for X-Auth-Key header"}]}],"messages":[],"result":null}
Mar 3 14:48:18 php-fpm 366 /services_dyndns_edit.php: phpDynDNS (plex): UNKNOWN ERROR - Invalid request headers