Fatal error: Uncaught Error: Class "Maknz\Slack\Payload" not found in /home/nextgenc/shieldlink.app/inventory/vendor/alek13/slack/src/Object/CompositionObject.php:6 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/vendor/alek13/slack/src/Object/CompositionObject.php on line 6