How to fix : uasset has newer custom version of FortniteMain?

Whenever I try to build my project, I get this error on character imported from UE4 (character creator), how can I fix it (I use Unreal engine 5)

And also, how can I apply my lumens and light parameters into “standalone game”?
When I debug in the editor, everything is fine, good shadow, good lumens ect… but when I launch the standalone game debug, the shadows are bads, lumens is not applied

I’m currently also experiencing this issue. Did you find a fix?

Hi! I found a fix for this issue incase someone runs into it in the future.

The error at the end of the file location “uasset has newer custom version of FortniteMain” showed up because unreal engine (in this case i was using unreal engine 5 too), was trying to find files that didn’t exist inside the editor content browser, or didn’t show up there, but the files showed up/exists when you look in the same folder through the project folder through windows. Deleting these “ghost” files managed to get rid of the errors from me.

I think this error happened/or this unsuccessful loading of the assets happened because I upgraded the project (hence the newer custom version of), or it happened because I tried to migrate files from a project where its version wasn’t compatible with unreal engine 5 (At this time, I believe 4.27 to 5.0 transfers don’t work, but 4.26 to 5.0 works).

Hope this helps! :slight_smile:

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thanks that works for me too

I found this blog post which includes an engine version downgrade script. I discovered that it actually works most of the time, even with blueprints. Most of the assets will become visible within previous engine versions.

It is then required to right-click or bulk select the assets right-click, and resave; with blueprints one can do the same, or open the blueprints and recompile/save. Tested with several engine versions. Just change a variable or two within the python downgrade script, as noted in the instructions:

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worked for me thanks

How do you see those ghost files though?..