Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\Output\AbstractChunkOutputBuilder' not found in /home/edmedu/www/edmtw.com/dev.bak/vendor/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php:16 Stack trace: #0 {main} thrown in /home/edmedu/www/edmtw.com/dev.bak/vendor/sebastian/diff/src/Output/UnifiedDiffOutputBuilder.php on line 16