4.16 crash after updating project ( Ensure condition failed: InitializedIndexCount == NumRenderInstances )

having same issue

After updating my project . Package game can no longer run ( standalone works fine )

Ensure condition failed: InitializedIndexCount == NumRenderInstances [File:D:\Build++UE4+Release-4.16+Compile\Sync\Engine\Source\Runtime\Engine\Private\HierarchicalInstancedStaticMesh.cpp] [Line: 2587]

I’ve attached the Crash Logs and dumps. please advise

link text

Bump… i have the same issue too, build works perfect on 4.7 to 4.15 but now on 4.16 i get the same crash log