Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\LongestCommonSubsequenceTest' not found in /data/htmlwww/common/jpgraph/vendor/sebastian/diff/tests/TimeEfficientImplementationTest.php:16 Stack trace: #0 {main} thrown in /data/htmlwww/common/jpgraph/vendor/sebastian/diff/tests/TimeEfficientImplementationTest.php on line 16