Fatal error: Uncaught Error: Class "Illuminate\Support\ServiceProvider" not found in /home/defenders/public_html/0255_projects/pharmacy_sys/app/Modules/TreatmentBook/TreatmentBookServiceProvider.php:10 Stack trace: #0 {main} thrown in /home/defenders/public_html/0255_projects/pharmacy_sys/app/Modules/TreatmentBook/TreatmentBookServiceProvider.php on line 10