Fatal error: Uncaught Error: Class 'SebastianBergmann\Diff\LongestCommonSubsequenceTest' not found in /var/www/up.tantal-metall.com/yii_up/vendor/sebastian/diff/tests/MemoryEfficientImplementationTest.php:16 Stack trace: #0 {main} thrown in /var/www/up.tantal-metall.com/yii_up/vendor/sebastian/diff/tests/MemoryEfficientImplementationTest.php on line 16