Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\DefinedName" not found in C:\xampp\htdocs\Dist_tool\TamilNadu_distribution\pds_dfpd_tamilnadu\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\NamedRange.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\Dist_tool\TamilNadu_distribution\pds_dfpd_tamilnadu\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\NamedRange.php on line 8