Sequence Pg + hibernate annotations + Erro Hibernate operation: could not get next sequence value

@Entity
@Table(name = "SCH_CADASTRO.BANCO", uniqueConstraints = {
		@UniqueConstraint(columnNames = { "SIGLA", "ID_EMPRESA" }),
		@UniqueConstraint(columnNames = { "BANCO_COD", "ID_EMPRESA" }) })
@SequenceGenerator(name = "sq_id_banco", sequenceName = "SCH_CADASTRO.sq_id_banco", initialValue=10, allocationSize=1)

public class Banco extends Entidade implements EntidadeVersionadaIF, EntidadeAtivoIndIF, EntidadeEmpresaIF {

	private static final long serialVersionUID = -3050373181350904547L;
	@Id  @GeneratedValue(strategy=GenerationType.SEQUENCE, generator="sq_id_banco")
	@Column(name = "ID_BANCO", nullable= false)