Cannot build UE5 on Linux - UE5-main make error Ubuntu20.04

Development Getting Started & Setup
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1 
1/51] Compile Module.GeometryAlgorithms.1_of_3.cpp
In file included from ../Plugins/Runtime/GeometryProcessing/Intermediate/Build/Linux/x64/UnrealEditor/Development/GeometryAlgorithms/Module.GeometryAlgorithms.1_of_3.cpp:26:
/home/iplslam/ダウンロード/UnrealEngine/Engine/Plugins/Runtime/GeometryProcessing/Source/GeometryAlgorithms/Private/ThirdParty/GTEngine/Mathematics/GteTetrahedronKey.cpp:78:27: error: explicit specialization of 'TetrahedronKey' after instantiation
    TetrahedronKey<true>::TetrahedronKey(int v0, int v1, int v2, int v3)
                          ^
/home/iplslam/ダウンロード/UnrealEngine/Engine/Plugins/Runtime/GeometryProcessing/Source/GeometryAlgorithms/Private/ThirdParty/GTEngine/Mathematics/GteTSManifoldMesh.cpp:73:26: note: implicit instantiation first required here
    TetrahedronKey<true> skey(v0, v1, v2, v3);

I want to install and use UE5 on ubuntu20.04.
However, the above error occurs and make cannot be executed.
How should I do that?
version
I cloned UE5-main from github.
os:ubuntu20.04.
I took the steps as below.

./Setup.sh
./GenerateProjectFiles.sh
make
2

me too have this problem.
how u fixed this?

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