Fatal error: Uncaught Error: Class "Maknz\Slack\BlockElement\Confirmable" not found in C:\xampp\htdocs\snipe-it\vendor\alek13\slack\src\BlockElement\Button.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\snipe-it\vendor\alek13\slack\src\BlockElement\Button.php on line 4