Fatal error: Uncaught Error: Class "Spatie\SlashCommand\Handlers\BaseHandler" not found in C:\laragon\htdocs\eloboost24\app\SlashCommands\ExcelGeneratorCommand.php:14 Stack trace: #0 {main} thrown in C:\laragon\htdocs\eloboost24\app\SlashCommands\ExcelGeneratorCommand.php on line 14