08:32:31 Enable Cell Caching using MemoryGZip method
08:32:31 Create new PHPExcel object
08:32:31 Set properties
08:32:31 Add data
08:32:31 Hide 'Phone' and 'fax' columns
08:32:31 Set outline levels
08:32:31 Freeze panes
08:32:31 Rows to repeat at top
08:32:31 Write to Excel2007 format

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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.xlsx.' in /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching.php(113): PHPExcel_Writer_Excel2007->save('/var/www/html/d...') #1 {main} thrown in /var/www/html/duhback021224/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 389