WrangleContent commandlet hits an assertion failure when run

Running the WrangleContent commandlet to try to remove unused assets from a project currently fails due to an assertion.

1. Create a new Blank Blueprint project.
2. Add several new Blueprints to the project that are not placed in the level.
3. Save everything and close the project.
4. Open a Windows command window.
5. Run the following command: "Path\to\UE4Editor-Cmd.exe" "Path\to\Project.uproject" -run=WrangleContent -allmaps

RESULT:
An assertion fails when the commandlet is running: Assertion failed: MovedPackage

EXPECTED:
The commandlet completes running successfully.