09:02:42 Create new PHPExcel object<br />09:02:42 Set document properties<br />09:02:42 Add data<br />09:02:42 Set data validation<br />09:02:42 Write to Excel5 format<br /><br />
<b>Warning</b>:  fopen(/opt/lampp/htdocs/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls): failed to open stream: Permiso denegado in <b>/opt/lampp/htdocs/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 /opt/lampp/htdocs/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls. It may be in use or protected.' in /opt/lampp/htdocs/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php:88
Stack trace:
#0 /opt/lampp/htdocs/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(214): PHPExcel_Shared_OLE_PPS_Root-&gt;save('/opt/lampp/htdo...')
#1 /opt/lampp/htdocs/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.php(140): PHPExcel_Writer_Excel5-&gt;save('/opt/lampp/htdo...')
#2 {main}
  thrown in <b>/opt/lampp/htdocs/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php</b> on line <b>88</b><br />