Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Shared\Trend\BestFit" not found in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php:5 Stack trace: #0 {main} thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/ExponentialBestFit.php on line 5