Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Shared\Trend\BestFit' not found in C:\xampp\htdocs\ws-grifos-peruanos\PhpSpreadsheet\Shared\Trend\LinearBestFit.php:5 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ws-grifos-peruanos\PhpSpreadsheet\Shared\Trend\LinearBestFit.php on line 5