10:52:25 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0045 seconds<br />10:52:25 Current memory usage: 2 MB<br />10:52:25 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0020 seconds<br />10:52:25 Current memory usage: 2 MB<br />10:52:25 Write to Excel2007 format<br /><br />
<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/opt/szAdmin/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
<br />
<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Could not close zip file /opt/szAdmin/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.xlsx. in /opt/szAdmin/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /opt/szAdmin/vendor/phpoffice/phpexcel/Examples/43mergeWorkbooks.php(75): PHPExcel_Writer_Excel2007-&gt;save('/opt/szAdmin/ve...')
#1 {main}
  thrown in <b>/opt/szAdmin/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />