Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\Output\DiffOutputBuilderInterface" not found in D:\Apache24\www\ys_gs1\back-end\vendor\sebastian\diff\src\Output\StrictUnifiedDiffOutputBuilder.php:34 Stack trace: #0 {main} thrown in D:\Apache24\www\ys_gs1\back-end\vendor\sebastian\diff\src\Output\StrictUnifiedDiffOutputBuilder.php on line 34