Fatal error: Uncaught Error: Class "SebastianBergmann\Diff\LongestCommonSubsequenceTest" not found in D:\Application\www\E-Tracking\vendor\sebastian\diff\tests\TimeEfficientImplementationTest.php:16 Stack trace: #0 {main} thrown in D:\Application\www\E-Tracking\vendor\sebastian\diff\tests\TimeEfficientImplementationTest.php on line 16