Fatal error: Uncaught Error: Class 'Endroid\QrCode\Writer\AbstractWriter' not found in /home/strzelecsk/www/vendor/endroid/qr-code/src/Writer/FpdfWriter.php:18 Stack trace: #0 {main} thrown in /home/strzelecsk/www/vendor/endroid/qr-code/src/Writer/FpdfWriter.php on line 18