Fatal error: Uncaught Error: Interface "BaconQrCode\Renderer\Color\ColorInterface" not found in /usr/local/www/roundcube/vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php:8 Stack trace: #0 {main} thrown in /usr/local/www/roundcube/vendor/bacon/bacon-qr-code/src/Renderer/Color/Alpha.php on line 8