GitHub: Failed to load latest commit information

Question

I am actually new to GitHub and don't know much of its functionality. So my problem may be very fundamental. I googled, and searched in stack-overflow too. But did not find any solution.

Recently, I forked Linux to simply serve my curiosity. But the process was taking too much time to finish. So I pressed the "refresh" button and the process stopped. The project did appear but with a warning:

I asked for "new pull request" but this message was shown:

Now, I don't understand why it happened, and if it will have any effect on the forked project. Is there any way to fix this?

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EDIT-1: I forked the repository again later, & waited for the process to finish. But the result did not change.

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EDIT-2: Yesterday I forked that repository again, but from my friend's account (of course with his permission). Alas! same result!

Answer 1

Forking such a large project might take quite a bit of time.
Interrupting it before completion would mean that HEAD might not have been set.

Try and delete that repo (created in your account), and fork again, this time leaving the fork process running as long as it will need.

Regarding creating a pull request, you do that from a new branch that you have created and pushed to your fork. See "couple of tips for PR".

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Since the issue persists, as I commented, it might be a GitHub server issue.
Meaning only GitHub support can have a look at that problem.