Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Shared\Trend\BestFit' not found in /opt/lampp/htdocs/kuesioner/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php:5 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Trend/PowerBestFit.php on line 5