Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in C:\Apache24_x64\htdocs\ex-vak-new\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php:20 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ex-vak-new\vendor\sebastian\diff\src\MemoryEfficientLongestCommonSubsequenceCalculator.php on line 20