06:09:00 Load from Gnumeric file
Call time to read Workbook was 0.0689 seconds
06:09:00 Current memory usage: 2 MB

06:09:00 Write to Excel2007 format

Fatal error: Uncaught Error: Class 'ZipArchive' not found in /var/www/sigicov_sign/shared/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php:225 Stack trace: #0 /var/www/sigicov_sign/shared/PHPExcel/Tests/GnumericReader.php(64): PHPExcel_Writer_Excel2007->save() #1 {main} thrown in /var/www/sigicov_sign/shared/PHPExcel/Classes/PHPExcel/Writer/Excel2007.php on line 225