<!--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> - [Work on this issue](https://contributors.gitlab.com/manage-issue?action=work&projectId=278964&issueIid=429234) - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=429234) </details> <!--IssueSummary end--> ### Problem BitBucket Server importer used via the UI and API uses the same logic to import the project + repo, apart from extra [validation](https://gitlab.com/gitlab-org/gitlab/-/blob/master/app/controllers/import/bitbucket_server_controller.rb#L100-L108) done (before the import) on the UI and not the API. See [comment](https://gitlab.com/gitlab-org/gitlab/-/issues/295622#note_1616127209). ### Solution Consider to add the same validation done in the UI to the API.