Fatal error: Uncaught Error: Interface 'SebastianBergmann\Diff\Output\DiffOutputBuilderInterface' not found in E:\xampp\htdocs\vendor\sebastian\diff\src\Output\StrictUnifiedDiffOutputBuilder.php:21 Stack trace: #0 {main} thrown in E:\xampp\htdocs\vendor\sebastian\diff\src\Output\StrictUnifiedDiffOutputBuilder.php on line 21