Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\Statistical\VarianceBase' not found in /home/clademy/lms.clademy.com/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical/Variances.php:7
Stack trace:
#0 {main}
thrown in /home/clademy/lms.clademy.com/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical/Variances.php on line 7