16:34:07 Create new PHPExcel object<br />16:34:07 Set document properties<br />16:34:07 Add data<br />16:34:07 Set data validation<br />16:34:07 Write to Excel5 format<br /><br />
<b>Warning</b>:  fopen(/home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls): failed to open stream: Permission denied in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php</b> on line <b>85</b><br />
<br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Can't open /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls. It may be in use or protected.' in /home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php:88
Stack trace:
#0 /home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(214): PHPExcel_Shared_OLE_PPS_Root-&gt;save('/home/webapp/da...')
#1 /home/webapp/data-conv/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.php(140): PHPExcel_Writer_Excel5-&gt;save('/home/webapp/da...')
#2 {main}
  thrown in <b>/home/webapp/data-conv/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php</b> on line <b>88</b><br />