I updated from UE 4.16.1 to UE 4.17. Often, when I try to start playing in the editor, I get a crash regarding the FStaticMeshInstanceBuffer. This is the Crash report: Access violation - code c0000005 (first/second chance not available) UE4Editor_Engine!FStaticMeshInstanceBuffer::UpdateInstanceDa…

I ran into this issue as well. In FStaticMeshInstanceBuffer::SetupCPUAccess(), the function tries to get the CVar value by calling CVar->GetValueOnGameThread(). Since nearly everything is Async Loading now, and this call can happen on the loading thread, you get the crash since it ensures that the…

FStaticMeshInstanceBuffer Crash on PIE

Development Asset Creation

anonymous_user_416b781b (anonymous_user_416b781b) September 19, 2017, 3:56pm 9

Thank you, Mr. Dupuis, for the reply, I’m glad this issue is fixed soon.