12:07:24 Create new PHPExcel object<br />12:07:24 Set document properties<br />12:07:24 Add some data<br />12:07:24 Rename worksheet<br />12:07:24 Clone worksheet<br />12:07:24 Rename cloned worksheet<br />12:07:24 Write to Excel2007 format<br /><br />
<b>Warning</b>:  unlink(/var/www/iws/vendor/phpoffice/phpexcel/Examples/38cloneWorksheet.xlsx): Read-only file system in <b>/var/www/iws/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>229</b><br />
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<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Read-only file system in <b>/var/www/iws/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>388</b><br />
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<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/iws/vendor/phpoffice/phpexcel/Examples/38cloneWorksheet.xlsx.' in /var/www/iws/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/iws/vendor/phpoffice/phpexcel/Examples/38cloneWorksheet.php(103): PHPExcel_Writer_Excel2007-&gt;save('/var/www/iws/ve...')
#1 {main}
  thrown in <b>/var/www/iws/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>389</b><br />