04:21:29 Create new PHPExcel object
04:21:29 Set document properties
04:21:29 Add some data
04:21:29 Sum of Range #1 is 23
04:21:29 Sum of Range #2 is 33
04:21:29 Sum of both Ranges is 56
04:21:29 Minimum value in either Range is 3
04:21:29 Maximum value in either Range is 17
04:21:29 Average value of both Ranges is 9.333333333333334
04:21:29 Rename worksheet
04:21:29 Write to Excel2007 format
Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/chme/vendor/phpoffice/phpexcel/Examples/03formulas.xlsx.' in /var/www/chme/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /var/www/chme/vendor/phpoffice/phpexcel/Examples/03formulas.php(119): PHPExcel_Writer_Excel2007->save('/var/www/chme/v...')
#1 {main}
thrown in /var/www/chme/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399