hr_sit_api.delete_sit Error

Dear All,

i'm trying to delete an SIT using this API 'hr_sit_api.delete_sit' but i got the below error

CREATE OR REPLACE PROCEDURE APPS.XX_da  AS

k number(10):=0;

v_person_id   per_all_people_f.person_id%type;

p_sn          per_all_people_f.employee_number%type;

i_analysis_criteria_id        NUMBER          := NULL;

p_person_analysis_id          NUMBER          := NULL;

p_object_version_number   NUMBER         ;

p_medical_id                  VARCHAR2 (100)  := NULL;

p_Apps_User     varchar2(200);

p_Apps_Name    varchar2(200);

p_Apps_Source    varchar2(200);

p_Apps_Owner    varchar2(200);

p_date_from date;

v_flex_num       varchar2(100);

p_date_to date;