Fatal error: Uncaught Error: Class "SebastianBergmann\Diff\LongestCommonSubsequenceTestCase" not found in C:\Apache24\htdocs\anteriores\apifac\vendor\sebastian\diff\tests\TimeEfficientImplementationTest.php:17 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\anteriores\apifac\vendor\sebastian\diff\tests\TimeEfficientImplementationTest.php on line 17