Error on Updating Hosted Sites - site_default does not exist

Problem/Motivation

Error during farmOS update with the Animal Weight module present, reported in the farmOS forum:

Drupal\Component\Plugin\Exception\PluginNotFoundException: The "site_default" plugin does not exist. Valid plugin IDs for Drupal\charts\ChartManager are: chartjs, google in Drupal\Core\Plugin\DefaultPluginManager->doGetDefinition() (line 53 of core/lib/Drupal/Component/Plugin/Discovery/DiscoveryTrait.php).

https://farmos.discourse.group/t/error-on-updating-hosted-sites-site-def...

Steps to reproduce

TBD

Proposed resolution

TBD

Remaining tasks

TBD

User interface changes

TBD

API changes

TBD

Data model changes

TBD