Fatal error: Uncaught Error: Class "PHPExcel_Shared_Font" not found in C:\xampp\htdocs\Leave-main\vendor\maatwebsite\excel\src\config\export.php:37 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Leave-main\vendor\maatwebsite\excel\src\config\export.php on line 37