00:51:16 Load Tests from Excel2007 file
Call time to read Workbook was 0.0078 seconds
00:51:16 Current memory usage: 1.25 MB
00:51:16 Adjust properties
00:51:16 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/html/PHPExcel/Examples/31docproperties_write.xlsx.' in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/PHPExcel/Examples/31docproperties_write.php(68): PHPExcel_Writer_Excel2007->save('/var/www/html/P...') #1 {main} thrown in /var/www/html/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php on line 389