Everything was fine on this project until I updated to preview 4. Now I can’t open it at all.
MachineId:F75680B442C07BB6DFDE7C974C4436FF
EpicAccountId:
Unknown exception - code 00000001 (first/second chance not available)
Assertion failed: InstancedRenderData.InstanceBuffer.GetStride() == sizeof(FInstancingUserData::FInstanceStream) [File:d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\InstancedStaticMesh.h] [Line: 493]
KERNELBASE + 37901 bytes
UE4Editor_Core + 3140052 bytes
UE4Editor_Core + 1614600 bytes
UE4Editor_Core + 1494994 bytes
UE4Editor_Engine + 3798840 bytes
UE4Editor_Engine + 4538661 bytes
UE4Editor_Renderer + 1938146 bytes
UE4Editor_Engine + 1358256 bytes
UE4Editor_Engine + 1564936 bytes
UE4Editor_Engine + 1499552 bytes
UE4Editor_Engine + 5069039 bytes
UE4Editor_Engine + 10088576 bytes
UE4Editor_UnrealEd + 6237773 bytes
UE4Editor_UnrealEd + 6405102 bytes
UE4Editor_UnrealEd + 2624356 bytes
UE4Editor_UnrealEd + 2833455 bytes
UE4Editor_UnrealEd + 2761581 bytes
UE4Editor_UnrealEd + 2678685 bytes
UE4Editor_UnrealEd + 6364224 bytes
UE4Editor_UnrealEd + 3235445 bytes
UE4Editor_UnrealEd + 3234600 bytes
UE4Editor_UnrealEd + 6585037 bytes
UE4Editor_UnrealEd + 6358174 bytes
UE4Editor!GuardedMain() + 285 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:123]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]