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In the default groups "Operator" and "Administrator", we need to add some more permissions to allow them to manage specific module related objects; "managing" here means CRUD(Create Read Update Delete).

Since the "Operator" and "Administrator" instances are already created in openwisp-users, they need to be queried and permissions that are mentioned in the issue need to be added.

Here is the issue with all the details: https://github.com/openwisp/openwisp-controller/issues/48

For an example on how you could approach it, look at: https://github.com/openwisp/openwisp-users/pull/40