12:34:52 Create new PHPExcel object
12:34:52 Add some data and formulas
12:34:52 Calculated data
Value of A1 [=B1]: 100
Value of B1 [=A1+1]: 100
Value of A2 [=B2+1]: 100
Value of B2 [=A2]: 99
12:34:52 Write to Excel2007 format
Fatal error: 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->save('/var/www/dorics...')
#1 {main}
thrown in /var/www/dorics/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399