problem while installing docker
Err:9 https://download.docker.com/linux/ubuntu (lsbrelease Release
404 Not Found [IP: 13.33.171.77 443]
Hit:10 http://ppa.launchpad.net/freyja-dev/uni… bionic InRelease
Hit:11 http://ppa.launchpad.net/simonschneegan… bionic InRelease
Hit:12 https://download.sublimetext.com apt/stable/ InRelease
Reading package lists... Done
E: The repository 'https://download.docker.com/linux/ubuntu (lsbrelease 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.