I'm trying to install npm and angular but when I do I get this error, any help is really appreciated because I need this for a job I start on thursday.
rr:12 http://ppa.launchpad.net/tigerite/kernel/ubuntu bionic Release
404 Not Found [IP: 91.189.95.83 80]
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/tigerite/kernel/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.
Error executing command, exiting
bionicon which Elementary 5.0 is based. If you don't mind me asking, why do you need this repo for nodejs and Angular? – user511 Mar 14 '19 at 5:57