18:54:59 Create new PHPExcel object
18:54:59 Set document properties
18:54:59 Add data
18:54:59 Set data validation
18:54:59 Write to Excel5 format

Warning: fopen(/var/www/html/enam/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls): failed to open stream: Permission denied in /var/www/html/enam/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php on line 85

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Can't open /var/www/html/enam/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.xls. It may be in use or protected.' in /var/www/html/enam/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php:88 Stack trace: #0 /var/www/html/enam/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(214): PHPExcel_Shared_OLE_PPS_Root->save('/var/www/html/e...') #1 /var/www/html/enam/vendor/phpoffice/phpexcel/Examples/15datavalidation-xls.php(140): PHPExcel_Writer_Excel5->save('/var/www/html/e...') #2 {main} thrown in /var/www/html/enam/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php on line 88