13:04:53 Create new PHPExcel object<br />13:04:53 Set document properties<br />13:04:53 Add some data<br />13:04:53 Write to Excel2007 format<br />
Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Examples/22heavilyformatted.xlsx.' in /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php:389
Stack trace:
#0 /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Examples/22heavilyformatted.php(86): PHPExcel_Writer_Excel2007->save('/var/www/www.pd...')
#1 {main}
  thrown in /var/www/www.pde.gov.gr/gr/php/gaies/PHPExcel-1.8/Classes/PHPExcel/Writer/Excel2007.php on line 389