Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Comment.php:10 Stack trace: #0 {main} thrown in /itss/home/arcelormittal/public_html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Comment.php on line 10