Fatal error: Uncaught Error: Class 'chillerlan\QRCodeTest\Output\QROutputTestAbstract' not found in /home/bucerepful/vendor/chillerlan/php-qrcode/tests/Output/QRMarkupTest.php:17 Stack trace: #0 {main} thrown in /home/bucerepful/vendor/chillerlan/php-qrcode/tests/Output/QRMarkupTest.php on line 17