Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Reader\XlsBase" not found in /home/defenders/public_html/0255_projects/pharmacy_sys/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls.php:65 Stack trace: #0 {main} thrown in /home/defenders/public_html/0255_projects/pharmacy_sys/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Xls.php on line 65