Fatal error: Uncaught Error: Class "Symfony\Component\Debug\Exception\FatalErrorException" not found in /var/www/erp/spreadsheet/vendor/symfony/debug/Exception/UndefinedFunctionException.php:19 Stack trace: #0 {main} thrown in /var/www/erp/spreadsheet/vendor/symfony/debug/Exception/UndefinedFunctionException.php on line 19