I just got bunch of errors - error: failed to push some refs to 'github.com'. Luckily after a while the error disappeared. I was going nuts. For my own product

I just got bunch of errors - error: failed to push some refs to 'github.com'. Luckily after a while the error disappeared. I was going nuts. For my own products I use gitea and host repos myself. Some clients of mine however use github so in this case I have no choice