Exception in thread "JavaFX Application Thread" org.hibernate.LazyInitializationException: could not initialize proxy [com.david.GesClinicFX.models.entity.Paciente#44867709E] - no Session code example

Example: org.hibernate.LazyInitializationException: could not initialize proxy [ua.tqs.ReCollect.model.User#2407] - no Session

@OneToMany(mappedBy="department", cascade = CascadeType.ALL, fetch=FetchType.EAGER)