21:04:19 Enable Cell Caching using MemoryGZip method<br />21:04:19 Create new PHPExcel object<br />21:04:19 Set properties<br />21:04:19 Add data<br />21:04:19 Hide 'Phone' and 'fax' columns<br />21:04:19 Set outline levels<br />21:04:19 Freeze panes<br />21:04:19 Rows to repeat at top<br />21:04:19 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
<br />
<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.xlsx. in /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007-&gt;save('/var/www/html/f...')
#1 {main}
  thrown in <b>/var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />