gh-pages -> gh-pages (non-fast forward) when creating github project page

If you get

! [rejected] gh-pages -> gh-pages (non-fast forward)

when following the instructions to create a github project page, you might just try to delete the gh-pages branch

git push origin :gh-pages

and then push the gh-pages branch again

git push origin gh-pages

Hope it helps.

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Emaad Manzoor: Thanks for this! Really needed it.