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このDockerバージョンエラーに関するトピックがいくつかあります。

Issue After Docker Update: Unsupported Version Error

Thank you. The command you provided did not work. I resolved it with the following solution from ChatGPT: To update Docker on a DigitalOcean Droplet, follow these steps: 1. Check the Current Version of Docker Run this command to see the currently installed Docker version: docker --version 2. Update the Operating System Make sure the operating system is up-to-date: sudo apt update && sudo apt upgrade -y 3. Uninstall the Old Version of Docker (if necessary) Remove any existing version of Doc…

Admin/Update screen is blank. How to manually updtate docker via SSH Console?

There’s a good chance your OS is out of date and that you should move to a fresh new VM. Does cat /etc/issue suggest that you have 18.04? You can try apt update;apt install docker-ce Another way, that prints a scary message, but is probably safe if you installed docker with apt wget -qO- https://get.docker.com/ | sh