Erro Mapeamento OneToOne ao inserir

@Entity
@SequenceGenerator(name = "SEQ_RPS_PRESTADOR", sequenceName = "SEQ_RPS_PRESTADOR", allocationSize = 1)
@Inheritance(strategy = InheritanceType.JOINED)
@Table(name = "RPS_PRESTADOR")
public class Prestador extends UnimedEntity {
	@Id
	@NotNull
	@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQ_RPS_PRESTADOR")
	@Column(name = "ID_PRESTADOR", nullable = false)
	private Long id;

	@OneToOne(fetch = FetchType.LAZY, mappedBy = "prestador", cascade = CascadeType.ALL)
	@JoinColumn(name="ID_PRESTADOR", insertable=false, updatable=false)
	private Vinculacao vinculacao;
}

@Entity
@SequenceGenerator(name = "SEQ_RPS_VINCULACAO", sequenceName = "SEQ_RPS_VINCULACAO", allocationSize = 1)
@Inheritance(strategy = InheritanceType.JOINED)
@Table(name = "RPS_VINCULACAO")
public class Vinculacao {
	@Id
	@NotNull
	@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQ_RPS_VINCULACAO")
	@Column(name = "ID_VINCULACAO", nullable = false)
	private Long id;

	@NotNull
	@OneToOne(cascade=CascadeType.ALL, orphanRemoval=true)
	@JoinColumn(name = "ID_PRESTADOR", insertable=false, updatable=false)
	private Prestador prestador;
}