Fatal error: Uncaught Error: Class 'setasign\Fpdi\FpdfTpl' not found in C:\xampp\htdocs\admin\vendor\setasign\fpdi\src\Fpdi.php:23 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\setasign\fpdi\src\Fpdi.php on line 23