Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\LCS\LongestCommonSubsequenceTest' not found in C:\Apache24\htdocs\vendor\sebastian\diff\tests\LCS\MemoryEfficientImplementationTest.php:16 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\vendor\sebastian\diff\tests\LCS\MemoryEfficientImplementationTest.php on line 16