Hi ancientMariner14,
I am looking into your issue. Unfortunately you have run into a bug. This particular bug is known, has been reported, and is being worked on currently. The Jira ticket number for this issue is UE-11368. I am watching this bug and I would be happy to let you know when changes have been made. If there is anything else that I help with just let me know.
Thank you for your patience while we work out this issue,