Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LongestCommonSubsequenceCalculator" not found in /home/gyannewsoftware/public_html/school6_EduFirm/vendor/sebastian/diff/src/TimeEfficientLongestCommonSubsequenceCalculator.php:13 Stack trace: #0 {main} thrown in /home/gyannewsoftware/public_html/school6_EduFirm/vendor/sebastian/diff/src/TimeEfficientLongestCommonSubsequenceCalculator.php on line 13