if(($tblDebtorNumber = Debtor::useService()->getDebtorNumberByNumber($DebtorNumber['Number']))){
                $tblPerson = Person::useService()->getPersonById($PersonId);
                if($tblPerson && ($tblPersonCompare = $tblDebtorNumber->getServiceTblPerson())
                    && $tblPerson->getId() !== $tblPersonCompare->getId()){
                    $form->setError('DebtorNumber[Number]',