SQL & PL/SQL :: Procedure Call Inside Trigger?

I am trying to call procedure inside trigger.. but i get error ora-04098 ..

create table emp_hstry
as
select * from emp
where
1= 2 ;

create or replace procedure emp_del_hstry(v_empno NUMBER ,
v_ename VARCHAR2,
v_job VARCHAR2)
is
insert into emp_hstry (empno,ename,job)
values (v_empno,v_ename,v_job);
COMMIT;
end;

create or replace trigger emp_del_hstry1
after insert or delete
on emp
for each row
begin
if deleting then
emp_del_hstry(:old.empno,:old.ename,:old.job);
end if;
end;

delete from emp
where
empno = '7369'

AFTER delete statement run i get ora-04098 message i also check show error command ,but still i am not getting solution of this error ..