git submodule update --init --recursive

[Girin325]

Cloning into '/home/gskim/3D/HelixSurf/dependencies/Primitive3D'...
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'git@github.com:lzhnb/Primitive3D.git' into submodule path '/home/gskim/3D/HelixSurf/dependencies/Primitive3D' failed
Failed to clone 'dependencies/Primitive3D'. Retry scheduled
Cloning into '/home/gskim/3D/HelixSurf/dependencies/gmvs'...
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'git@github.com:Gorilla-Lab-SCUT/gmvs.git' into submodule path '/home/gskim/3D/HelixSurf/dependencies/gmvs' failed
Failed to clone 'dependencies/gmvs'. Retry scheduled
Cloning into '/home/gskim/3D/HelixSurf/dependencies/Primitive3D'...
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
fatal: clone of 'git@github.com:lzhnb/Primitive3D.git' into submodule path '/home/gskim/3D/HelixSurf/dependencies/Primitive3D' failed
Failed to clone 'dependencies/Primitive3D' a second time, aborting

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When I run this code, this errors occured.
How can I fix it?