<!--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=17904) </details> <!--IssueSummary end--> If you are trying to make a merge request that already exists you get the following error:  We can improve this by not only providing the title of the MR, but also the ID and a link to the MR.