AttributeError: 'NoneType' object has no attribute '_cand'

[Ronnie Otts]

Landscape client "package-changer.log" contains the following error for any package action it has received.

AttributeError: 'NoneType' object has no attribute '_cand'
2023-12-09 22:37:51,313 ERROR [MainThread] None
AttributeError: 'NoneType' object has no attribute '_cand'
2023-12-09 23:07:50,021 ERROR [MainThread] None
AttributeError: 'NoneType' object has no attribute '_cand'
2023-12-09 23:37:51,219 ERROR [MainThread] None
AttributeError: 'NoneType' object has no attribute '_cand'

This error occurs for downgrading or upgrading a package.
This error also occurs when trying to a apply a policy to the client as well.

Landscape Server verison = 23.03
Landscape client version = 18.01-0ubuntu13

[Mitch Burton (mitchburton)]

Hello! Does this also occur in the landscape-client version available from this PPA? https://launchpad.net/~landscape/+archive/ubuntu/self-hosted-beta

If it does not, it's likely this bug has already been fixed and is in the process of SRU.

[Ronnie Otts (rottsuwf)]

I installed the version from the PPA mentioned an it is now working, thank you.