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