Fatal error: Uncaught Error: Class "chillerlan\Settings\SettingsContainerAbstract" not found in /var/www/html/credifygo/vendor/chillerlan/php-qrcode/src/QROptions.php:18 Stack trace: #0 {main} thrown in /var/www/html/credifygo/vendor/chillerlan/php-qrcode/src/QROptions.php on line 18