Error when rebuilding discourse

When I try and build my Discourse app I get this
image

I installed Docker in my server, why is this?

What’s the output of docker run hello-world ?

Hello.

I see this;

Thank you

Your docker installation is broken. You may want to try a reboot, but if it doesn’t come back after a reboot, you may want to reach to either your distro or the docker support forums.

Can I re install docker?