Warning: fopen(): open_basedir restriction in effect. File(/mnt/data/generated_report.xlsx) is not within the allowed path(s): (/home/otn/webapps/otn:/var/lib/php/session:/tmp) in /home/otn/webapps/otn/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php on line 128

Warning: fopen(/mnt/data/generated_report.xlsx): failed to open stream: Operation not permitted in /home/otn/webapps/otn/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php on line 128

Fatal error: Uncaught PhpOffice\PhpSpreadsheet\Writer\Exception: Could not open file "/mnt/data/generated_report.xlsx" for writing. in /home/otn/webapps/otn/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php:130 Stack trace: #0 /home/otn/webapps/otn/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php(551): PhpOffice\PhpSpreadsheet\Writer\BaseWriter->openFileHandle() #1 /home/otn/webapps/otn/generate_report.php(124): PhpOffice\PhpSpreadsheet\Writer\Xlsx->save() #2 {main} thrown in /home/otn/webapps/otn/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php on line 130