Fatal error: Uncaught Error: Interface 'SebastianBergmann\Diff\LongestCommonSubsequenceCalculator' not found in /home/acb20f5/public_html/alp/vendor/sebastian/diff/src/TimeEfficientLongestCommonSubsequenceCalculator.php:17 Stack trace: #0 {main} thrown in /home/acb20f5/public_html/alp/vendor/sebastian/diff/src/TimeEfficientLongestCommonSubsequenceCalculator.php on line 17