Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Broadcasting\ShouldBroadcast' not found in G:\projects\beta.api.edutalk.edu.vn\app\Events\LoadingImportSalaryTeacherEvent.php:11 Stack trace: #0 {main} thrown in G:\projects\beta.api.edutalk.edu.vn\app\Events\LoadingImportSalaryTeacherEvent.php on line 11