Unable to add existing cluster nodes in the manager

[saji1511]

While trying to add an existing cluster and nodes to Galera Manager, following error is encoutered.

2024-09-21 13:15:27 | stdout | Reading package lists... Done
2024-09-21 13:15:27 | stdout | E: The repository 'https://mirror.its.dal.ca/mariadb/repo/11.3/ubuntu jammy Release' no longer has a Release file.
2024-09-21 13:15:27 | stdout | N: Updating from such a repository can't be done securely, and is therefore disabled by default.
2024-09-21 13:15:27 | stdout | N: See apt-secure(8) manpage for repository creation and user configuration details.
2024-09-21 13:15:27 | stdout | W: https://repos.influxdata.com/ubuntu/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
2024-09-21 13:15:27 | stdout | W: https://repo.galera-manager.com/nexus/repository/galera-manager-release-1804/dists/bionic/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
2024-09-21 13:15:27 | galera-manager | Got an error and attepts = 1
2024-09-21 13:15:27 | galera-manager | saving deployment info
2024-09-21 13:15:27 | galera-manager | failed to execute cluster config script (RunScriptWithConn): command failed (stepName=__step_no_001, commandId=1, commandType=IncludeCommand): command failed (stepName=apt_get_update_1, commandId=5, commandType=ExecCommand): Process exited with status 100
2024-09-21 13:15:27 | galera-manager | [email protected]# echo -n "test"
2024-09-21 13:15:27 | stdout | test
2024-09-21 13:15:27 | galera-manager | Saving Galera Manager node data
2024-09-21 13:15:27 | galera-manager | Failed to install node
2024-09-21 13:15:27 | galera-manager | failed to deploy node