08:00:40 Create new PHPExcel object
08:00:40 Set document properties
08:00:40 Add some data
08:00:40 Rename worksheet
08:00:40 Write to Excel2007 format

Notice: A non well formed numeric value encountered in /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/PCLZip/pclzip.lib.php on line 1845

Fatal error: Uncaught PHPExcel_Writer_Exception: Error zipping files : PCLZIP_ERR_READ_OPEN_FAIL (-2) : Unable to open archive '/var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Examples/01simplePCLZip.xlsx' in wb mode in /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php:108 Stack trace: #0 /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php(246): PHPExcel_Shared_ZipArchive->addFromString('[Content_Types]...', '<?xml version="...') #1 /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Examples/01simplePCLZip.php(91): PHPExcel_Writer_Excel2007->save('/var/www/teknis...') #2 {main} thrown in /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/ZipArchive.php on line 108