Fatal error: Uncaught Error: Class "Sprain\SwissQrBill\PaymentPart\Output\AbstractOutput" not found in /home/technoon/public_html/demo/yondy/vendor/sprain/swiss-qr-bill/src/PaymentPart/Output/FpdfOutput/FpdfOutput.php:19 Stack trace: #0 {main} thrown in /home/technoon/public_html/demo/yondy/vendor/sprain/swiss-qr-bill/src/PaymentPart/Output/FpdfOutput/FpdfOutput.php on line 19