Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Shared\Trend\BestFit" not found in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Shared\Trend\ExponentialBestFit.php:5 Stack trace: #0 {main} thrown in E:\phpProject\TEST\fr_epr\fr_epr_reg\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Shared\Trend\ExponentialBestFit.php on line 5