08:23:46 Enable Cell Caching using MemoryGZip method
08:23:46 Create new PHPExcel object
08:23:46 Set properties
08:23:46 Add data
08:23:46 Hide 'Phone' and 'fax' columns
08:23:46 Set outline levels
08:23:46 Freeze panes
08:23:46 Rows to repeat at top
08:23:47 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/deploy/2017-10-31_15:08:30/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.xlsx.' in /var/www/deploy/2017-10-31_15:08:30/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/deploy/2017-10-31_15:08:30/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007->save('/var/www/deploy...') #1 {main} thrown in /var/www/deploy/2017-10-31_15:08:30/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399