Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in E:\xampp\htdocs\stms\vendor\sebastian\diff\src\TimeEfficientLongestCommonSubsequenceCalculator.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\sebastian\diff\src\TimeEfficientLongestCommonSubsequenceCalculator.php on line 17