[11-Oct-2021 02:59:30 UTC] PHP Fatal error:  Interface 'Zend\Feed\PubSubHubbub\CallbackInterface' not found in /home/powergen/dark.menapack.net/concrete/vendor/zendframework/zend-feed/src/PubSubHubbub/AbstractCallback.php on line 16
[15-Jul-2024 17:17:32 UTC] PHP Fatal error:  Interface 'Zend\Feed\PubSubHubbub\CallbackInterface' not found in /home/multitecheg/s.multi-techeg.com/concrete/vendor/zendframework/zend-feed/src/PubSubHubbub/AbstractCallback.php on line 16
