Devstack clone problem (.dev clone)

make[1]: Entering directory ’ ’
./ clone_ssh
Cloning into ‘course-discovery’…
git : Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
make[1]: *** [Makefile:170: impl-dev.clone.ssh] Error 128
make[1]: Leaving directory ’ ’
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make: *** [Makefile:173: dev.clone.ssh] Error 2

When you connect to a GitHub repository from Git, you’ll need to authenticate with GitHub using either HTTPS or SSH.

try it : make dev.clone.https