Fatal error: Uncaught Error: Class 'PhpOffice\PhpSpreadsheet\Worksheet\Dimension' not found in /home/dvidiv74/public_html/comp-life/PhpSpreadsheet-master/src/PhpSpreadsheet/Worksheet/ColumnDimension.php:5 Stack trace: #0 {main} thrown in /home/dvidiv74/public_html/comp-life/PhpSpreadsheet-master/src/PhpSpreadsheet/Worksheet/ColumnDimension.php on line 5