Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Reader\BaseReader" not found in /home/w0rldcl4ssc0m/soca/discovery/vendor.back/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Html.php:18 Stack trace: #0 {main} thrown in /home/w0rldcl4ssc0m/soca/discovery/vendor.back/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Reader/Html.php on line 18