Major Description
Cannot launch demo/ref app getting ...
```
org.springframework.data.web.config.SpringDataWebSettings: the object type must be specified explicitly ('causeway.core.meta-model.validator.explicit-logical-type-names' config property). Defaulting the object type from the package/class/package name can lead to data migration issues for apps deployed to production (if the class is subsequently refactored). Use @Discriminator, @Named or @PersistenceCapable(schema=...) to specify explicitly.
```