06:27:10 Load Tests from Excel2007 file<br />Call time to read Workbook was 0.0169 seconds<br />06:27:10 Current memory usage: 1.25 MB<br />06:27:10 Adjust properties<br />06:27:10 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /data/web/konferencjalilly.pl/vendor/phpoffice/phpexcel/Examples/31docproperties_write.xlsx.' in /data/web/konferencjalilly.pl/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /data/web/konferencjalilly.pl/vendor/phpoffice/phpexcel/Examples/31docproperties_write.php(68): PHPExcel_Writer_Excel2007-&gt;save('/data/web/konfe...')
#1 {main}
  thrown in <b>/data/web/konferencjalilly.pl/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>399</b><br />