crash report:
Version: 418783, IsEditor: No, IsPerforceBuild: No, BuildConfiguration: Shipping, Launcher: Epic, NetMode: Standalone, IsUsingMods: Yes, IsSaveGameEdited: No
Assertion failed: InstanceCustomData.Num() == Component->PerInstanceSMCustomData.Num() [File:D:\BuildAgent\work\SM_BT\UE4\Engine\Source\Runtime\Engine\Private\Rendering\Nanit...