21:15:09 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /home/git/www/site/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227
Stack trace:
#0 /home/git/www/site/vendor/phpoffice/phpexcel/Examples/33chartcreate-bar.php(136): PHPExcel_Writer_Excel2007-&gt;save('/home/git/www/s...')
#1 {main}
  thrown in <b>/home/git/www/site/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>227</b><br />