21:04:18 Create new PHPExcel object<br />21:04:18 Set document properties<br />21:04:18 Add some data<br />21:04:18 Rename worksheet<br />21:04:18 Write to Excel2007 format<br /><br />
<b>Notice</b>:  A non well formed numeric value encountered in <b>/var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/PCLZip/pclzip.lib.php</b> on line <b>1736</b><br />
<br />
<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Error zipping files : PCLZIP_ERR_READ_OPEN_FAIL (-2) : Unable to open archive '/var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Examples/01simplePCLZip.xlsx' in wb mode in /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php:96
Stack trace:
#0 /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php(239): PHPExcel_Shared_ZipArchive-&gt;addFromString('[Content_Types]...', '&lt;?xml version=&quot;...')
#1 /var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Examples/01simplePCLZip.php(91): PHPExcel_Writer_Excel2007-&gt;save('/var/www/html/f...')
#2 {main}
  thrown in <b>/var/www/html/frontenndposystem/po-system-new/back-end/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php</b> on line <b>96</b><br />