[UE-18224][1] was closed out as a duplicate of [UE-14515][2]. UE-14515 has been closed out as a cannot reproduce in 4.12. So this shouldn’t be occurring in versions 4.12 and beyond.
Thanks!
Unreal Engine Issues and Bug Tracker (UE-18224)
[2]: Unreal Engine Issues and Bug Tracker (UE-14515)