Error in launch

Hello, I have a problem in launching the docker container. it shows me this when I force a local ip. You have an idea ? No problem in bridge or host.

docker run --network LAN --ip -d --name vaultwarden -v /srv/docker/vaultwarden/data/:/data/ -p 8080:80 vaultwarden/server:latest
docker: Error response from daemon: Address already in use.
IP 192.168.20 is free

Thank you very much

There probably is something running on already. Check ss -tlpn