Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\LCS\LongestCommonSubsequence" not found in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/sebastian/diff/src/LCS/TimeEfficientLongestCommonSubsequenceImplementation.php:16 Stack trace: #0 {main} thrown in /home/yrdsb11w3creativ/public_html/yrdsb/vendor/sebastian/diff/src/LCS/TimeEfficientLongestCommonSubsequenceImplementation.php on line 16