ERROR: Shad0w C2 not working

[HelloHellBoy]

┌──(samalliot㉿ziuat-warlock)-[~]
└─$ sudo shad0w listen -e 172.18.32.56
[sudo] password for samalliot:
Unable to find image 'shad0w:latest' locally
docker: Error response from daemon: pull access denied for shad0w, repository does not exist or may require 'docker login': denied: requested access to the resource is denied.
See 'docker run --help'.