Fatal error: Uncaught Error: Class "Maknz\Slack\BlockElement" not found in /home/alterna/private_assets.alternalab.it/vendor/alek13/slack/src/BlockElement/Confirmable.php:8 Stack trace: #0 {main} thrown in /home/alterna/private_assets.alternalab.it/vendor/alek13/slack/src/BlockElement/Confirmable.php on line 8