Fatal error: Uncaught Error: Class "PhpOffice\PhpSpreadsheet\Exception" not found in /home/romafi/cofortest/php/php-spreadsheet/src/PhpSpreadsheet/Writer/Exception.php:7 Stack trace: #0 {main} thrown in /home/romafi/cofortest/php/php-spreadsheet/src/PhpSpreadsheet/Writer/Exception.php on line 7