Building Lighting error

Development Rendering
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1

Hi !

I have an error when I’m building my lighting. Yesterday everything went fine but today my Lightmass is crashing even when I’m reinstalling UE4 (4.4.1)
It happens in every scene I have and I don’t know why
Here is the error I get in the MessageLog hope someone can help me !

14365-errorlighting.jpg
14365-errorlighting.jpg1211×493 113 KB

Thanks in advance

2

It works again since I deleted the 4.4 folder in C:\Users\UserName\AppData\Local\UnrealEngine\

Could have been a preference error?

3

This fixed it for me also. Thanks.