hi @thejerenator ,
Looking at the most recent UEFN Log
Please can you Verify your Installation using this post
[2025.03.03-18.53.14:331][675]LogAssetEditorSubsystem: Opening Asset editor for IKRetargeter /DinosaurGame01/Dinos/RTG_Raptor.RTG_Raptor
[2025.03.03-18.53.14:332][675]LogChaosDD: Not creating Chaos Debug Draw Scene for world World_1
So the
Opening Asset editor for IKRetargeter
ON
/DinosaurGame01/Dinos/RTG_Raptor.RTG_Raptor
[2025.03.03-18.53.14:374][675]LogActorComponent: RegisterComponentWithWorld: (/Engine/Transient.World_1:PersistentLevel.AnimationEditorPreviewActor_0.DebugSkelMeshComponent_0) Already registered. Aborting.
[2025.03.03-18.53.14:407][675]LogSkeletalMesh: Display: Waiting for skinned assets to be ready 0/1 (dino_Raptor) ...
The Crash error starts here, this is difficult because protected parts of UEFN do NOT have the symbols table links available, but as highlighted above the problem is a crash in
Opening Asset editor for IKRetargeter
[2025.03.03-18.53.14:785][675]LogWindows: Error: === Critical error: ===
[2025.03.03-18.53.14:785][675]LogWindows: Error:
[2025.03.03-18.53.14:785][675]LogWindows: Error: Fatal error!
[2025.03.03-18.53.14:785][675]LogWindows: Error:
[2025.03.03-18.53.14:785][675]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION writing address 0x0000000000000118
[2025.03.03-18.53.14:785][675]LogWindows: Error:
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff89bf59d96 ntdll.dll!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff792dd2e34 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff78cec2f08 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff788376da3 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff7883752d2 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff78838239f UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff788381638 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff78838060c UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction
[2025.03.03-18.53.14:785][675]LogWindows: Error: [Callstack] 0x00007ff788377a77 UnrealEditorFortnite-Win64-Shipping.exe!UnknownFunction