My code is only 34 lines long. But in my mock interview session its failing with the below compilation error. \n```\nLine 57: use of unresolved identifier \'col_size_1\'\n```\nAnd my code doesn\'t contain any identifier \'col_size_1\'. This is happening for the https://leetcode.com/problems/sentence-similarity/description/ and https://leetcode.com/problems/sentence-similarity-ii problem and only on the **Swift compiler.** Please can someone help fix this?

My code is only 34 lines long. But in my mock interview session its failing with the below compilation error. \n\nLine 57: use of unresolved identifier \'col_si