00:52:28 Create new PHPExcel object
00:52:28 Set document properties
00:52:28 Add some data
00:52:28 Rename worksheet
00:52:28 Clone worksheet
00:52:28 Rename cloned worksheet
00:52:28 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/html/PHPExcel/Examples/38cloneWorksheet.xlsx.' in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/PHPExcel/Examples/38cloneWorksheet.php(103): PHPExcel_Writer_Excel2007->save('/var/www/html/P...') #1 {main} thrown in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php on line 389