workbook->set_tempdir('/opt/apache/secure-htdocs/exceldir/'); #### Couldn't create sub directory /opt/apache/secure-htdocs/exceldir/CQ2RNO0V36/xl/worksheets: Permission denied at /opt/perl-5.8.3/lib/site_perl/5.8.3/Excel/Writer/XLSX/Workbook.pm line 809