03:50:11 Create new PHPExcel object
03:50:11 Set document properties
03:50:11 Add some data
03:50:11 Rename worksheet
03:50:11 Set document security
03:50:11 Set sheet security
03:50:11 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