Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\IComparable" not found in E:\xampp\htdocs\excel_import\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Style\Conditional.php:10 Stack trace: #0 {main} thrown in E:\xampp\htdocs\excel_import\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Style\Conditional.php on line 10