Fatal error: Uncaught Error: Class 'Maknz\Slack\Object\CompositionObject' not found in /home/nextgenc/shieldlink.app/inventory/vendor/alek13/slack/src/Object/OptionGroup.php:7 Stack trace: #0 {main} thrown in /home/nextgenc/shieldlink.app/inventory/vendor/alek13/slack/src/Object/OptionGroup.php on line 7