Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Writer\BaseWriter" not found in /home/rwebserver/public_html/operations/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php:36
Stack trace:
#0 {main}
thrown in /home/rwebserver/public_html/operations/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php on line 36