Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in I:\www\frameworks\Symfony\translation\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php:20 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\translation\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php on line 20