Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder' not found in /opt/lampp/htdocs/kuesioner/vendor/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php:18 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/kuesioner/vendor/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php on line 18