Category "2-way-object-databinding"

Grails 4 Mapping exception - org.grails.datastore.mapping.model.IllegalMappingException: Non-existent mapping property

I am upgrading from grails 2.5.4 to 4 and getting the following error in grails 4 : Failed to instantiate [org.grails.orm.hibernate.HibernateDatastore]: Constru