Migrating project to engine source build with chaos enabled

Development World Creation
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1

Hi Everyone,
I built UE4.25 from source with Chaos usage in mind here. I was able to get a blank project to work with Chaos setup.
The issue is if I try to migrate my project over or open a copy, I get an error. I have tried creating a copy of the project and I’ve tried migrating my levels into the content folder of a blank project. Then, I copied my input and game config files over. When I migrate levels and then copy the two config files, I can get the project to open. But, when I set my editor and default maps, I get the same error as when I try to copy the project. Here is the error:

Assertion Failed: HorizonNext->Vertex == HorizonEdges[(HorizonIdx + 1)%HorizonEdges.Num()]->Vertex
Then it does a file pathe that goes to - …/UnrealEngine\Engine\Source\Runtime\Experimental\Chaos\Public\Chaos\CollisionConvexMesh.h [Line 700]

I was able to get my project to open and function in a 4.25 launcher build. But, I’d like to add some destructible meshes soon.
Any help would be much appreciated.

2

Hi,
I have the same problem.

The same problem appears after adding chaos to an existing project.

Please tell me the solution.

3

Did you find a solution? I’m getting the same error in UE 4.26 preview 1.

4

Same with 4.26 when trying to load specific levels. It was throwing the same error when trying to load a DataSmith Scene Actor as well.

5

Same here, i migrate from 4.24 to 4.25 without problem, but crashing when opening level on 4.26 since preview 1 (actually on prev 4)

6

This error is also still there with the Launcher Preview build.

7

It also happens on the release 4.26-chaos source build…