Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard\NumberBase" not found in D:\xampp\htdocs\phpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard\Percentage.php:8 Stack trace: #0 {main} thrown in D:\xampp\htdocs\phpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard\Percentage.php on line 8