<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=346329) </details> <!--IssueSummary end--> https://docs.gitlab.com/ee/ci/caching/#use-multiple-caches This contains the following snippet, but when I use something similar I got an error that key.files is not allowed. Let's remove the part that is invalid here. ``` - key: files: - Gemfile.lock ``` <!-- Don't edit below this line -->