17:08:08 Write to Excel2007 format<br /><br />
<b>Fatal error</b>:  Uncaught Error: Class 'ZipArchive' not found in /home/kleenoil/public_html/sistema/crons/lib/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php:220
Stack trace:
#0 /home/kleenoil/public_html/sistema/crons/lib/PHPExcel-1.8/Examples/33chartcreate-bar.php(136): PHPExcel_Writer_Excel2007-&gt;save('/home/kleenoil/...')
#1 {main}
  thrown in <b>/home/kleenoil/public_html/sistema/crons/lib/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>220</b><br />