Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Worksheet\Dimension' not found in /var/www/app/appregwebservice/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowDimension.php:7 Stack trace: #0 {main} thrown in /var/www/app/appregwebservice/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Worksheet/RowDimension.php on line 7