Fatal error: Uncaught Error: Interface 'SebastianBergmann\Diff\LongestCommonSubsequenceCalculator' not found in E:\xampp\htdocs\www\key1\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php:13 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key1\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php on line 13