Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\Cell\IValueBinder" not found in /home/rewardtechco/public_html/smartrewarddev.rewardtech.co.za/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/DefaultValueBinder.php:15 Stack trace: #0 {main} thrown in /home/rewardtechco/public_html/smartrewarddev.rewardtech.co.za/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/DefaultValueBinder.php on line 15