## Version Latest? The version bundled in https://reacttraining.com/react-router/native/example/recursive-paths as of the time of writing. ## Test Case https://codesandbox.io/s/react-router-recursive-paths-h74vx The sandbox directly embedded in the official website. ## Steps to reproduce Just open it. ## Expected Behavior Not throw. ## Actual Behavior `Array.find()` doesn't like that your path param id is a string, while having the actual data in number.