04:57:21 Create new PHPExcel object<br />04:57:21 Set document properties<br />04:57:21 Add some data<br />04:57:21 Rename worksheet<br />04:57:21 Set cell protection<br />04:57:21 Set sheet security<br />04:57:21 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /var/www/html/shiksha_web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:220
Stack trace:
#0 /var/www/html/shiksha_web/vendor/phpoffice/phpexcel/Examples/12cellProtection.php(92): PHPExcel_Writer_Excel2007-&gt;save()
#1 {main}
  thrown in <b>/var/www/html/shiksha_web/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>220</b><br />