Fatal error: Uncaught Error: Class 'Illuminate\Support\ServiceProvider' not found in D:\xampp\htdocs\datatext_v4\vendor\maatwebsite\excel\src\ExcelServiceProvider.php:18 Stack trace: #0 {main} thrown in D:\xampp\htdocs\datatext_v4\vendor\maatwebsite\excel\src\ExcelServiceProvider.php on line 18