The correct answer is Laura can and should unarchive both versions "1.1" and "2.2" to fix her mistake.

As the project administrator Laura can unarchive versions from the project settings and this will restore each version to its prior state. Unarchiving makes the versions visible again in release lists and preserves their associations with issues so it repairs the accidental archive without data loss.

Because version "1.1" was previously released and version "2.2" was previously unreleased unarchiving will return each to its former release status rather than forcing them both to become unreleased. Unarchiving is therefore the appropriate and simple corrective action.

Unarchiving version "1.1" will change its status to UNRELEASED is incorrect because unarchiving does not automatically flip the release flag and the version will generally retain its released or unreleased status when restored.

You will only be able to unarchive version "1.1" and not version "2.2" is incorrect because there is no such limitation and a project administrator can unarchive any archived version in the project.

Restore versions from a project backup is incorrect because a full backup restore is unnecessary for this situation and unarchiving is the supported and simpler way to recover archived versions.

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