Certbot renew failed with "malformed :: Method not allowed"

You’re right, I’m confused that why my certbot is 0.39. I think I install via binary or other way before.

I remove certbot with apt remove and remove /usr/local/bin/certbot (because after I autoremove and purge it still there) and re-install certbot that version is 0.31.

All thing seems great now, I success to update my certificate.

Thanks a lot.

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