Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Calculation\Engineering\ConvertBase" not found in /home/alkhalaffamily/public_html/past_videos/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Engineering/ConvertOctal.php:8
Stack trace:
#0 {main}
thrown in /home/alkhalaffamily/public_html/past_videos/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Engineering/ConvertOctal.php on line 8