16:04:48 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/var/www/lab/smartnet.niua.org/sites/all/libraries/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
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<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/lab/smartnet.niua.org/sites/all/libraries/PHPExcel/Examples/33chartcreate-area.xlsx. in /var/www/lab/smartnet.niua.org/sites/all/libraries/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/lab/smartnet.niua.org/sites/all/libraries/PHPExcel/Examples/33chartcreate-area.php(133): PHPExcel_Writer_Excel2007-&gt;save('/var/www/lab/sm...')
#1 {main}
  thrown in <b>/var/www/lab/smartnet.niua.org/sites/all/libraries/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />