23:47:12 Create new PHPExcel object
23:47:12 Set properties
23:47:12 Add data
23:47:12 Hide 'Phone' and 'fax' columns
23:47:12 Set outline levels
23:47:12 Freeze panes
23:47:12 Rows to repeat at top
23:47:13 Write to Excel5 format

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Fatal error: Uncaught exception 'PHPExcel_Writer_Exception' with message 'Can't open /var/www/html/back/vendor/phpoffice/phpexcel/Examples/06largescale-xls.xls. It may be in use or protected.' in /var/www/html/back/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php:93 Stack trace: #0 /var/www/html/back/vendor/phpoffice/phpexcel/Classes/PHPExcel/Writer/Excel5.php(226): PHPExcel_Shared_OLE_PPS_Root->save('/var/www/html/b...') #1 /var/www/html/back/vendor/phpoffice/phpexcel/Examples/06largescale-xls.php(121): PHPExcel_Writer_Excel5->save('/var/www/html/b...') #2 {main} thrown in /var/www/html/back/vendor/phpoffice/phpexcel/Classes/PHPExcel/Shared/OLE/PPS/Root.php on line 93