hr_personal_pay_method_api.create_personal_pay_method errors out

Iam using below script to migrate employee bank details.

Declare

pp_comment_id NUMBER;

pp_external_account_id NUMBER;

pp_effective_start_date DATE;

pp_effective_end_date DATE;

pp_object_version_number NUMBER;

pp_assignment_id number;

pp_personal_payment_method_id number;

V_ERROR VARCHAR2(1000);

l_status_flag varchar2(500) := 'Y';

l_status_msg varchar2(500) := 'Success';

l_total_rec NUMBER := 0;

l_success_rec NUMBER := 0;

l_failure_rec NUMBER := 0;

begin

hr_personal_pay_method_api.create_personal_pay_method

(

p_validate => true

,p_effective_date => trunc(sysdate)

,p_assignment_id => 1898

,p_org_payment_method_id => 61

,p_percentage => 100

,p_priority => 1

,p_territory_code