We are currently looking for a way to reproduce this crash. If you have a list of repro steps, or a project that is experiencing the crash, please create a new post on Answerhub's Bug Reports section and reference this ticket.
This JIRA was created as a result of it being one of the top crashes occurring in 4.13 Preview 2
Most recent user affected CL: 3088355
Repro steps unknown
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-35030 in the post.