Deprecated: Return type of PhpOffice\PhpSpreadsheet\Worksheet\ColumnIterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in E:\www\frey\qgmvc\v1.0\composer\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Worksheet\ColumnIterator.php on line 137