08:04:38 Write to Excel2007 format<br /><br />
<b>Warning</b>:  unlink(/var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Examples/33chartcreate-multiple-charts.xlsx): Permission denied in <b>/var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>236</b><br />
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<b>Warning</b>:  ZipArchive::close(): Failure to create temporary file: Permission denied in <b>/var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>398</b><br />
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<b>Fatal error</b>:  Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Examples/33chartcreate-multiple-charts.xlsx. in /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399
Stack trace:
#0 /var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Examples/33chartcreate-multiple-charts.php(211): PHPExcel_Writer_Excel2007-&gt;save('/var/www/teknis...')
#1 {main}
  thrown in <b>/var/www/teknisa/packages/teknisa/fmapp/backend/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php</b> on line <b>399</b><br />