Loading an Uncooked UAsset results in NRE

[evilfactory]

Describe the bug
Trying to load an uncooked UAsset results in a null reference exception.

To Reproduce
Steps to reproduce the behavior:

1. Download LevelDefinition.zip (The asset is uncooked)
2. Load the provided asset by doing new UAsset("LevelDefinition.uasset", EngineVersion.VER_UE5_1);
3. Null reference exception

Expected behavior
It should load.

Screenshots

Desktop (please complete the following information):

• Windows 10
• Commit c98ba52

Additional context
The asset has been created using Unreal Engine 5.1.1

[acyc070]

Unreal Engine 5 assets need mappings to be opened and edited.