16:07:55 Unable to set Cell Caching using SQLite3 method, reverting to memory
16:07:55 Create new PHPExcel object
16:07:55 Set properties
16:07:55 Add data
16:07:55 Hide 'Phone' and 'fax' columns
16:07:55 Set outline levels
16:07:55 Freeze panes
16:07:55 Rows to repeat at top
16:07:56 Write to Excel2007 format

Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Could not close zip file /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching-sqlite3.xlsx.' in /var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php:399 Stack trace: #0 /var/www/roundstone/vendor/phpoffice/phpexcel/Examples/06largescale-with-cellcaching-sqlite3.php(114): PHPExcel_Writer_Excel2007->save('/var/www/rounds...') #1 {main} thrown in /var/www/roundstone/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel2007.php on line 399