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00:21:38 Write to Excel2007 format

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Fatal error: Uncaught PHPExcel_Writer_Exception: Could not close zip file /var/www/html/Mockups/git-test/mohapatra-scientific/vendor/phpoffice/phpexcel/Examples/33chartcreate-composite.xlsx. in /var/www/html/Mockups/git-test/mohapatra-scientific/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:389 Stack trace: #0 /var/www/html/Mockups/git-test/mohapatra-scientific/vendor/phpoffice/phpexcel/Examples/33chartcreate-composite.php(194): PHPExcel_Writer_Excel2007->save() #1 {main} thrown in /var/www/html/Mockups/git-test/mohapatra-scientific/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 389