03:50:42 Load from Excel2007 file
Call time to read Workbook was 0.0913 seconds
03:50:43 Current memory usage: 6 MB
03:50:43 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Error zipping files : PCLZIP_ERR_READ_OPEN_FAIL (-2) : Unable to open temporary file '/tmppclzip-67d8ed93139dd.tmp' in binary write mode' in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php:108 Stack trace: #0 /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php(278): PHPExcel_Shared_ZipArchive->addFromString('_rels/.rels', '<?xml version="...') #1 /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples/07readerPCLZip.php(63): PHPExcel_Writer_Excel2007->save('/var/www/consum...') #2 {main} thrown in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php on line 108