I have a project that was created in UE 4.X and which I have successfully ported to UE 5.0. When I try to open it in 5.1 I get this crash. Anyone know what it means? Assertion failed: IsValid(Platform) [File:D:\build\++UE5\Sync\Engine\Source\Runtime\RHI\Public\RHIDefinitions.h] [Line: 516] UnrealE…

Hey there @UnderClever ! It’s acting as though your current platform is invalid for the selected RHI. Open the project files → Config → DefaultEngine.ini [/Script/WindowsTargetPlatform.WindowsTargetSettings] DefaultGraphicsRHI=DefaultGraphicsRHI_DX12 -D3D12TargetedShaderFormats=PCD3D_SM5 +D3D12Targe…

Editor crash when opening 5.0 project in 5.1

Development Programming & Scripting

UnderClever (Under Clever) December 13, 2022, 4:31am 6

Yes, DX12 work also. Thanks again!

1 Like