AssertionError: assert($y < $this->seq[$k]) in /html/neowiki_root/includes/DifferenceEngine.php:951 Stack trace: #0 /html/neowiki_root/includes/DifferenceEngine.php(951): assert(false, 'assert($y < $th...') #1 /html/neowiki_root/includes/DifferenceEngine.php(1047): _DiffEngine->_diag(0, 2, 0, 5, 3) #2 /html/neowiki_root/includes/DifferenceEngine.php(831): _DiffEngine->_compareseq(0, 2, 0, 5) #3 /html/neowiki_root/includes/DifferenceEngine.php(1212): _DiffEngine->diff(Array, Array) #4 /html/neowiki_root/includes/DifferenceEngine.php(432): Diff->__construct(Array, Array) #5 /html/neowiki_root/includes/DifferenceEngine.php(346): DifferenceEngine->generateDiffBody('