Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in D:\xampp\htdocs\dropifypro\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\dropifypro\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php on line 20