13:45:00 Create new PHPExcel object<br />13:45:00 Add some data and formulas<br />13:45:00 Calculated data<br />Value of A1 [=B1]: 100<br />Value of B1 [=A1+1]: 100<br />Value of A2 [=B2+1]: 100<br />Value of B2 [=A2]: 99<br />13:45:00 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/dorics/vendor/phpoffice/phpexcel/Examples/13calculationCyclicFormulae.xlsx.' in /var/www/dorics/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /var/www/dorics/vendor/phpoffice/phpexcel/Examples/13calculationCyclicFormulae.php(82): PHPExcel_Writer_Excel2007-&gt;save('/var/www/dorics...')
#1 {main}
  thrown in <b>/var/www/dorics/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>399</b><br />