18:34:14 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /var/www/autolab/auto2/auto4/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:227
Stack trace:
#0 /var/www/autolab/auto2/auto4/vendor/phpoffice/phpexcel/Examples/33chartcreate-stock.php(142): PHPExcel_Writer_Excel2007-&gt;save('/var/www/autola...')
#1 {main}
  thrown in <b>/var/www/autolab/auto2/auto4/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>227</b><br />