Fatal error: Uncaught Error: Class "Endroid\QrCode\Writer\Result\AbstractResult" not found in /var/www/html/vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php:9 Stack trace: #0 {main} thrown in /var/www/html/vendor/endroid/qr-code/src/Writer/Result/BinaryResult.php on line 9