# Chapter 3 Challenge solution missing from source code materials

**URL:** <https://forums.kodeco.com/t/chapter-3-challenge-solution-missing-from-source-code-materials/200279>\
**Category:** Modern Concurrency in Swift\
**Created:** [December 10, 2023, 6:37am UTC](https://forums.kodeco.com/t/chapter-3-challenge-solution-missing-from-source-code-materials/200279 "2023-12-10T06:37:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![chaugen55](https://s3.amazonaws.com/cdn.raywenderlich.com/community/forum-assets/noun-game-ghost-878668.png) [@chaugen55](https://forums.kodeco.com/u/chaugen55)\
**Post date:** [December 10, 2023, 6:37am UTC](https://forums.kodeco.com/t/chapter-3-challenge-solution-missing-from-source-code-materials/200279/1 "2023-12-10T06:37:40Z")

</div>

I’m running into an issue with the challenge at the end of Chapter 3: “Challenge: Implementing Concurrent Downloads for the “Cloud 9” Plan”.

I tried checking for the solution in the materials downloaded from the repo, but the solution didnt exist. Wondering if anyone can help.