06:09:59 Create new PHPExcel object
06:09:59 Set document properties
06:09:59 Add some data
06:09:59 Rename worksheet
06:09:59 Set document security
06:09:59 Set sheet security
06:09:59 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/11documentsecurity.xlsx.' in /var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/11documentsecurity.php(94): PHPExcel_Writer_Excel2007->save('/var/www/rounds...') #1 {main} thrown in /var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399