09:20:58 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0509 seconds<br />09:20:58 Current memory usage: 4.25 MB<br />09:20:58 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0036 seconds<br />09:20:58 Current memory usage: 4.25 MB<br />09:20:58 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
<br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.xlsx.' in /home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.php(75): PHPExcel_Writer_Excel2007-&gt;save('/home/webapp/da...')
#1 {main}
  thrown in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />