GUS requires that all plugins be registered prior to use. This
allows for close auditing of the environment in which the plugin
operated and ensures that changes within a plugin do not go unnoticed.
When you attempt to use a plugin that has not been registered,
ga will respond with an error:
USER ERROR: GUS::Supported::Plugin::InsertControl has never been registered. Please use 'ga +create GUS::Supported::Plugin::InsertControl --commit'
You must then use the command provided to register the plugin. In this case:
$ ga +create GUS::Supported::Plugin::InsertControl --commit
If a plugin changes since being registered, you may receive a
similar error, requesting that you use the