Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in C:\xampp\htdocs\UP_Distribution\pds_dfpd_up\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Style\Conditional.php:8 Stack trace: #0 {main} thrown in C:\xampp\htdocs\UP_Distribution\pds_dfpd_up\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Style\Conditional.php on line 8