The fields and associations defined in superclasses should not be re-generated (in Model.generate_class). This error shows up when migrating a model with a class hierarchy. The full solution should concern removal of the duplicated fields from database.yml
The fields and associations defined in superclasses should not be re-generated (in Model.generate_class). This error shows up when migrating a model with a class hierarchy. The full solution should concern removal of the duplicated fields from database.yml