Ошибка IllegalStateException: Cannot get unfetched attribute [name] from detached object

    @Subscribe("counterpartyAgreementsTable.select")
    private fun onCounterpartyAgreementsTableSelect(event: Action.ActionPerformedEvent) {
            val screen = screenBuilders.lookup(CounterpartyAgreement::class.java, this)
                .withScreenClass(CounterpartyAgreementBrowse::class.java)
                .withOpenMode(OpenMode.DIALOG)
                .withSelectHandler { counterpartyAgreements ->
                    val counterpartyAgreement = counterpartyAgreements.iterator().next()

                    if (!counterpartyAgreementsDc.mutableItems.map { it.counterpartyAgreement 
 }.contains(counterpartyAgreement)) {
                        val employeeCounterpartyAgreement = metadata.create(EmployeeCounterpartyAgreement::class.java)

                        employeeCounterpartyAgreement.employee = editedEntity
                        employeeCounterpartyAgreement.counterpartyAgreement = counterpartyAgreement

                        dataContext.merge(employeeCounterpartyAgreement)

                        counterpartyAgreementsDc.mutableItems.add(employeeCounterpartyAgreement)
                    } else {
                        notifications
                            .create(Notifications.NotificationType.WARNING)
                            .withCaption("")
                            .show()
                    }
                }
                .build()

            screen.counterpartyParameter = editedEntity.counterparty!!
            screen.show()
    }

По всей видимости при создания объекта employeeCounterpartyAgreement появляется вот такая ошибка
IllegalStateException: Cannot get unfetched attribute [name] from detached object com.example.entity.type_agreement.TypeAgreement-bd336970-8b0c-20ff-8f96-78a3497d4e09 [detached].

Класс EmployeeCounterpartyAgreement

@JmixEntity
@Table(name = "EMPLOYEE_COUNTERPARTY_AGREEMENT")
])
@Entity
open class EmployeeCounterpartyAgreement {
    @JmixGeneratedValue
    @Column(name = "ID", nullable = false)
    @Id
    var id: UUID? = null

    @Column(name = "VERSION", nullable = false)
    @Version
    var version: Int? = null

    @OnDeleteInverse(DeletePolicy.CASCADE)
    @JoinColumn(name = "EMPLOYEE_ID", nullable = false)
    @NotNull
    @ManyToOne(fetch = FetchType.LAZY, optional = false)
    var employee: Employee? = null

    @OnDeleteInverse(DeletePolicy.CASCADE)
    @JoinColumn(name = "COUNTERPARTY_AGREEMENT_ID", nullable = false)
    @NotNull
    @ManyToOne(fetch = FetchType.LAZY, optional = false)
    var counterpartyAgreement: CounterpartyAgreement? = null

}

В классе CounterpartyAgreement есть поле typeAgreement: TypeAgreement

@JmixEntity
@Table(name = "TYPE_AGREEMENT")
@Entity
open class TypeAgreement {
    @JmixGeneratedValue
    @Column(name = "ID", nullable = false)
    @Id
    var id: UUID? = null

    @Column(name = "VERSION", nullable = false)
    @Version
    var version: Int? = null

    @InstanceName
    @Column(name = "NAME", nullable = false)
    @NotNull
    var name: String? = null

}

Нам вот эта вот неточность здесь ни к чему. Скиньте весь stacktrace, а еще лучше код приложения (Или сделайте тестовое где ошибка повторяется). Иначе помочь вам очень тяжело.