cat tde-14.list
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x/ubuntu bionic main
deb http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x/ubuntu bionic main
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x/ubuntu bionic main
deb-src http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x/ubuntu bionic main




Ign:10 http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x/ubuntu bionic InRelease
Err:12 http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x/ubuntu bionic Release
  404  Not Found [IP: 37.205.10.16 80]
Err:13 http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x/ubuntu bionic Release
  404  Not Found [IP: 37.205.10.16 80]
Hit:14 http://repo.steampowered.com/steam precise InRelease
Reading package lists... Done
E: The repository 'http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-r14.0.x/ubuntu bionic 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.
E: The repository 'http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-builddeps-r14.0.x/ubuntu bionic 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.