Fatal error: Uncaught Error: Class "Spatie\SlashCommand\Handlers\SignatureHandler" not found in C:\laragon\htdocs\eloboost24\vendor\spatie\laravel-slack-slash-command\src\Handlers\Help.php:13 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\vendor\spatie\laravel-slack-slash-command\src\Handlers\Help.php on line 13