21:07:31 Enable Cell Caching using MemoryGZip method<br />21:07:31 Create new PHPExcel object<br />21:07:31 Set properties<br />21:07:31 Add data<br />21:07:31 Hide 'Phone' and 'fax' columns<br />21:07:31 Set outline levels<br />21:07:31 Freeze panes<br />21:07:31 Rows to repeat at top<br />21:07:33 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.xlsx.' in /var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007-&gt;save('/var/www/rounds...')
#1 {main}
  thrown in <b>/var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>399</b><br />