Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\Output\DiffOutputBuilderInterface" not found in /home/custom/public_html/katiekarr/vendor/sebastian/diff/src/Output/StrictUnifiedDiffOutputBuilder.php:34 Stack trace: #0 {main} thrown in /home/custom/public_html/katiekarr/vendor/sebastian/diff/src/Output/StrictUnifiedDiffOutputBuilder.php on line 34