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    You need to take the existing Scala 2 version and update it to Scala 3.

    This article explains how to update a language version of a kata.

    This post explains, more or less, what has to be changed in Scala tests to migrate them from Scala 2 to Scala 3.

    I also recommend visiting the #fixing channel of Codewars Discord and ask there, because there is a couple of active users who know how to handle Scala updates.