Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in C:\Apache24_x64\htdocs\ex-vak\vendor\sebastian\diff\src\TimeEfficientLongestCommonSubsequenceCalculator.php:13 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\ex-vak\vendor\sebastian\diff\src\TimeEfficientLongestCommonSubsequenceCalculator.php on line 13