Fatal error: Uncaught Error: Class 'Maatwebsite\Excel\Files\File' not found in C:\xampp\htdocs\enercard\vendor\maatwebsite\excel\src\Maatwebsite\Excel\Files\NewExcelFile.php:6 Stack trace: #0 {main} thrown in C:\xampp\htdocs\enercard\vendor\maatwebsite\excel\src\Maatwebsite\Excel\Files\NewExcelFile.php on line 6