Crash when Building Virtual Texturing Mips

Development Rendering
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1

Trying to build the Mips for a Runtime Virtual Texture, with a Tile size of 4 (max) crashes the editor.

308457-error.png
308457-error.png597×591 35 KB 

[2020.07.29-20.25.16:976][  0]LogStats: FPlatformStackWalk::StackWalkAndDump -  0.323 s
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: === Handled ensure: ===
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: 
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: Ensure condition failed: FMath::IsFinite(TexelFactor) [File:D:\Build\++UE4+Licensee\Sync\Engine\Source\Runtime\Engine\Classes\Engine/TextureStreamingTypes.h] [Line: 96]
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: 
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: Stack: 
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc37926278 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc364a8af4 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc370fafc6 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc370a2f11 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc370a3694 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc370a3bf3 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc370c11ec UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc365df688 UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc365db4af UE4Editor-Engine.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc3406b7e4 UE4Editor-UnrealEd.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc34941d06 UE4Editor-UnrealEd.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ff7ab5a7800 UE4Editor.exe!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ff7ab5bba7c UE4Editor.exe!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ff7ab5bbb5a UE4Editor.exe!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ff7ab5ce31d UE4Editor.exe!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ff7ab5d145a UE4Editor.exe!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc8b7e6fd4 KERNEL32.DLL!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error: [Callstack] 0x00007ffc8be5cec1 ntdll.dll!UnknownFunction []
[2020.07.29-20.25.16:976][  0]LogOutputDevice: Error:
2

Try putting the low mips at 4. I crash over that too. :slight_smile: