Warning: fopen(tmp/helloworld.xlsx): Failed to open stream: Permission denied in /usr/local/www/projects/spisanie8/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php on line 128

Fatal error: Uncaught PhpOffice\PhpSpreadsheet\Writer\Exception: Could not open file "tmp/helloworld.xlsx" for writing. in /usr/local/www/projects/spisanie8/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php:130 Stack trace: #0 /usr/local/www/projects/spisanie8/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx.php(546): PhpOffice\PhpSpreadsheet\Writer\BaseWriter->openFileHandle() #1 /usr/local/www/projects/spisanie8/test/excel.php(21): PhpOffice\PhpSpreadsheet\Writer\Xlsx->save() #2 {main} thrown in /usr/local/www/projects/spisanie8/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/BaseWriter.php on line 130