Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Broadcasting\ShouldBroadcast" not found in /home/lessonplannercom/public_html/backend/vendor/illuminate/database/Eloquent/BroadcastableModelEventOccurred.php:10 Stack trace: #0 {main} thrown in /home/lessonplannercom/public_html/backend/vendor/illuminate/database/Eloquent/BroadcastableModelEventOccurred.php on line 10