Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Worksheet\Dimension' not found in C:\Apache24\htdocs\cwlms\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Worksheet\RowDimension.php:7 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cwlms\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Worksheet\RowDimension.php on line 7