Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Calculation\Engineering\ConvertBase' not found in C:\xampp\htdocs\finance\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\Engineering\ConvertOctal.php:8
Stack trace:
#0 {main}
thrown in C:\xampp\htdocs\finance\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Calculation\Engineering\ConvertOctal.php on line 8