03:13:02 Load Tests from Excel2007 file
Call time to read Workbook was 0.0204 seconds
03:13:02 Current memory usage: 4.75 MB
03:13:02 Adjust properties
03:13:02 Write to Excel2007 format

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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Examples/31docproperties_write.xlsx.' in /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Examples/31docproperties_write.php(68): PHPExcel_Writer_Excel2007->save('/var/www/sos_cr...') #1 {main} thrown in /var/www/sos_crash/symfony/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399