Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Shared\Trend\BestFit' not found in C:\xampp\htdocs\rabani-mobile-api\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Shared\Trend\PolynomialBestFit.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\rabani-mobile-api\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Shared\Trend\PolynomialBestFit.php on line 11