lsb_release -a show me this

lsb_release -a
No LSB modules are available.
Distributor ID: Kali
Description: Kali GNU/Linux Rolling
Release: 2020.4
Codename: kali-rolling


and apt update is showing this since, every hints found on internet fails till now

apt update
Ign:1 https://download.docker.com/linux/ubuntu kali-rolling InRelease
Hit:2 https://download.docker.com/linux/debian buster InRelease
Err:4 https://download.docker.com/linux/ubuntu kali-rolling Release
404 Not Found [IP: 99.86.116.31 443]
Hit:3 https://archive-4.kali.org/kali kali-rolling InRelease
Reading package lists... Done
W: https://download.docker.com/linux/de...ter/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/earth.gpg are ignored as the file is not readable by user '_apt' executing apt-key.
E: The repository 'https://download.docker.com/linux/ubuntu kali-rolling Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: https://http.kali.org/kali/dists/kal...ing/InRelease: The key(s) in the keyring /etc/apt/trusted.gpg.d/earth.gpg are ignored as the file is not readable by user '_apt' executing apt-key.


I cannot install anything; do anything; it all comes back to the same error. Any advice IS WELCOMED PLS .thanks