Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Calculation\Statistical\Distributions\GammaBase" not found in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical/Distributions/Gamma.php:9 Stack trace: #0 {main} thrown in /var/www/html/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical/Distributions/Gamma.php on line 9