Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Style\Supervisor' not found in /home/clademy/lms.clademy.com/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Style/Style.php:8 Stack trace: #0 {main} thrown in /home/clademy/lms.clademy.com/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Style/Style.php on line 8