Fatal error: Uncaught BaconQrCode\Exception\WriterException: Could not encode content to ISO-8859-1 in /var/www/vhosts/bremken.de/httpdocs/system/vendor/bacon/bacon-qr-code/src/BaconQrCode/Encoder/Encoder.php:628 Stack trace: #0 /var/www/vhosts/bremken.de/httpdocs/system/vendor/bacon/bacon-qr-code/src/BaconQrCode/Encoder/Encoder.php(539): BaconQrCode\Encoder\Encoder::append8BitBytes('BEGIN:VCARD\r\nVE...', Object(BaconQrCode\Common\BitArray), 'ISO-8859-1') #1 /var/www/vhosts/bremken.de/httpdocs/system/vendor/bacon/bacon-qr-code/src/BaconQrCode/Encoder/Encoder.php(86): BaconQrCode\Encoder\Encoder::appendBytes('BEGIN:VCARD\r\nVE...', Object(BaconQrCode\Common\Mode), Object(BaconQrCode\Common\BitArray), 'ISO-8859-1') #2 /var/www/vhosts/bremken.de/httpdocs/system/vendor/bacon/bacon-qr-code/src/BaconQrCode/Writer.php(82): BaconQrCode\Encoder\Encoder::encode('BEGIN:VCARD\r\nVE...', Object(BaconQrCode\Common\ErrorCorrectionLevel), 'ISO-8859-1') #3 /var/www/vhosts/bremken.de/httpdocs/system/src/QrCode.php(58): BaconQrCode\Writer- in /var/www/vhosts/bremken.de/httpdocs/system/vendor/bacon/bacon-qr-code/src/BaconQrCode/Encoder/Encoder.php on line 628