Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in /home/supporta/public_html/platform/plugins/post-scheduler/src/Providers/PostSchedulerServiceProvider.php:10 Stack trace: #0 {main} thrown in /home/supporta/public_html/platform/plugins/post-scheduler/src/Providers/PostSchedulerServiceProvider.php on line 10