[tde-users] cannot run apt-get upgrade, mirror not found

Hi I am on Ubuntu 16.04. When running sudo apt-get upgrade I obtain The following packages will be upgraded: akregator-trinity amarok-common Etc all together some 66 packages Then saying yes WARNING: The following packages cannot be authenticated! Then even saying yes I obtain Err:11 http://mirror.ppa.trinitydesktop.org/trinity/deb/trinity-sb xenial/main-r14 amd64 kate-trinity amd64 4:14.0.10~pre13-0ubuntu16.04.0+1 404 Not Found Can somebody please tell me what is wrong here? Thanks and regards Uwe Brauer --------------------------------------------------------------------- To unsubscribe, e-mail: trinity-users-unsubscribe(a)lists.pearsoncomputing.net For additional commands, e-mail: trinity-users-help(a)lists.pearsoncomputing.net Read list messages on the web archive: http://trinity-users.pearsoncomputing.net/ Please remember not to top-post: http://trinity.pearsoncomputing.net/mailing_lists/#top-posting