A Release File Missing

"E: The repository 'https://ppa.launchpadcontent.net/oguzhaninan/stacer/ubuntu jammy 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."

Terminal of Ubuntu 22.04 shows the above error after successful install. How to solve it?