Fatal error: Uncaught Error: Class 'Box\Spout\Writer\Common\Internal\AbstractWorkbook' not found in /var/www/dev/public/vendor/box/spout/src/Spout/Writer/XLSX/Internal/Workbook.php:18 Stack trace: #0 {main} thrown in /var/www/dev/public/vendor/box/spout/src/Spout/Writer/XLSX/Internal/Workbook.php on line 18